⬆️(ci) update setup-python actions

setup-python@v3 uses a soon-deprecated Node version.
Updated them to the most recent version.

.github/workflows/meet.yml

@@ -79,7 +79,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Install Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v5
         with:
           python-version: "3.10"
       - name: Install development dependencies
@@ -145,7 +145,7 @@ jobs:
           key: mail-templates-${{ hashFiles('src/mail/mjml') }}
 
       - name: Install Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v5
         with:
           python-version: "3.10"
 
@@ -193,7 +193,7 @@ jobs:
           sudo apt-get install -y gettext
 
       - name: Install Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v5
         with:
           python-version: "3.10"