⬆️(ci) upgrade GitHub Actions workflow steps to latest versions

Update all GitHub Actions to their latest major versions for improved
performance, security patches, and Node.js runtime compatibility.

Signed-off-by: Stephan Meijer <me@stephanmeijer.com>

.github/workflows/crowdin-download.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Download Crowdin files
         uses: crowdin/github-action@v2

.github/workflows/docker-hub.yml

@@ -23,7 +23,7 @@ jobs:
     steps:
       -
         name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       -
         name: Docker meta
         id: meta
@@ -59,7 +59,7 @@ jobs:
     steps:
       -
         name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       -
         name: Docker meta
         id: meta
@@ -96,7 +96,7 @@ jobs:
     steps:
       -
         name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       -
         name: Docker meta
         id: meta
@@ -133,7 +133,7 @@ jobs:
     steps:
       -
         name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       -
         name: Docker meta
         id: meta
@@ -172,7 +172,7 @@ jobs:
     steps:
       -
         name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       -
         name: Docker meta
         id: meta

.github/workflows/meet.yml

@@ -14,7 +14,7 @@ jobs:
     if: github.event_name == 'pull_request' # Makes sense only for pull requests
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: show
@@ -41,7 +41,7 @@ jobs:
       github.event_name == 'pull_request'
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 50
       - name: Check that the CHANGELOG has been modified in the current branch
@@ -51,7 +51,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Check CHANGELOG max line length
         run: |
           max_line_length=$(cat CHANGELOG.md | grep -Ev "^\[.*\]: https://github.com" | wc -L)
@@ -67,15 +67,15 @@ jobs:
         working-directory: src/mail
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: "18"
 
       - name: Restore the mail templates
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         id: mail-templates
         with:
           path: "src/backend/core/templates/mail"
@@ -95,7 +95,7 @@ jobs:
 
       - name: Cache mail templates
         if: steps.mail-templates.outputs.cache-hit != 'true'
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: "src/backend/core/templates/mail"
           key: mail-templates-${{ hashFiles('src/mail/mjml') }}
@@ -107,9 +107,9 @@ jobs:
         working-directory: src/backend
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Install Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"
           cache: "pip"
@@ -129,9 +129,9 @@ jobs:
         working-directory: src/agents
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Install Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"
           cache: "pip"
@@ -149,9 +149,9 @@ jobs:
         working-directory: src/summary
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Install Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"
           cache: "pip"
@@ -216,7 +216,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Create writable /data
         run: |
@@ -224,7 +224,7 @@ jobs:
           sudo mkdir -p /data/static
 
       - name: Restore the mail templates
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         id: mail-templates
         with:
           path: "src/backend/core/templates/mail"
@@ -258,7 +258,7 @@ jobs:
             mc mb meet/meet-media-storage"
 
       - name: Install Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"
           cache: "pip"
@@ -281,7 +281,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install dependencies
         run: cd src/frontend/ && npm ci
@@ -299,7 +299,7 @@ jobs:
         working-directory: src/sdk/library
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install dependencies
         run: npm ci
@@ -318,7 +318,7 @@ jobs:
         working-directory: src/sdk/library
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install dependencies
         run: npm ci

.github/workflows/release-helm-chart.yaml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0