Publish embedded package for releases of Element Call (#3086)

* Publish embedded package for releases of Element Call

Part of https://github.com/element-hq/element-call/issues/2994

This PR:

- Publishes embedded builds as Tarball, NPM, AAR, SwiftPM for releases
- Publishes full builds as Tarball for releases
- Adds comments to release notes with the built artifact locations

* Update embedded/web/package.json

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

* Update .github/workflows/publish-embedded-packages.yaml

* Update embedded/ios/Package.swift

* Apply suggestions from code review

* Try dry-run of gradlew

* Whitespace

* Fix more instances of unpinned GHA

* Minimise permissions

* Upload release notes once

To reduce concurrency

* Fix npm publish permissions

---------

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

embedded/android/gradle/libs.versions.toml

@@ -0,0 +1,12 @@
+# This file was generated by the Gradle 'init' task.
+# https://docs.gradle.org/current/userguide/platforms.html#sub::toml-dependencies-format
+
+[versions]
+android_gradle_plugin = "8.8.0"
+
+[libraries]
+android_gradle_plugin = { module = "com.android.tools.build:gradle", version.ref = "android_gradle_plugin" }
+
+[plugins]
+android_library = { id = "com.android.library", version.ref = "android_gradle_plugin" }
+maven_publish = { id = "com.vanniktech.maven.publish", version = "0.30.0" }

embedded/android/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-all.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists