feat: rework release pipeline to use centralized changelog

.github/workflows/release.yml

@@ -9,7 +9,7 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # tag=v3.1.0
       with:
-        depth: 0
+        fetch-depth: 0
 
     - name: Set up JDK
       uses: actions/setup-java@de1bb2b0c5634f0fc4438d7aa9944e68f9bf86cc # tag=v3.6.0
@@ -34,19 +34,47 @@ jobs:
       env:
         ENCRYPT_KEY: ${{ secrets.ENCRYPT_KEY }}
 
-    - name: Prepare release assets
+    - name: Get current version
       shell: bash
       run: |
-        # Remove the `-SNAPSHOT` suffix
         ./gradlew -q --no-configuration-cache clearPreRelease
+        VERSION="$(tail -n1 android/version.properties | cut -d = -f 2)"
+        echo VERSION="${VERSION}" >> $GITHUB_ENV
+
+    - name: Update changelog
+      uses: thomaseizinger/keep-a-changelog-new-release@5bc232893483441c5d6cd6c9dcb1e48abf9a2bae # 1.3.0
+      with:
+        tag: ${{ env.VERSION }}
+
+    - name: Commit changes
+      shell: bash
+      run: |
         git commit -am 'feat(release): bump version'
 
-        # Build the release assets
+    - name: Build release assets
+      shell: bash
+      run: |
         ./gradlew --no-configuration-cache collectReleaseApks collectReleaseBundle
 
     - name: Clean secrets
       run: scripts/signing-cleanup.sh
 
+    - name: Get Changelog Entry
+      id: changelog_reader
+      uses: mindsers/changelog-reader-action@8f405204c383ffc2ff8646e9ae4daf7aa3a8b213 # v2.2.1
+      with:
+        version: ${{ env.VERSION }}
+        path: ./CHANGELOG.md
+
+    - name: Write release notes file
+      shell: bash
+      env:
+        CHANGELOG: ${{ steps.changelog_reader.outputs.changes }}
+      run: |
+        mkdir -p distribution/whatsnew
+        printf '## Changelog\n' > distribution/whatsnew/whatsnew-en-GB
+        printf '%s' "${CHANGELOG}" >> distribution/whatsnew/whatsnew-en-GB
+
     - name: Publish bundle to Google Play
       uses: r0adkll/upload-google-play@78c9e796b1035c94169c101d8e46cb880194bfc3 # tag=v1.0.19
       with:
@@ -64,7 +92,6 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.POST_RELEASE_GH_TOKEN }}
       run: |
         # Tag the current version
-        VERSION="$(tail -n1 android/version.properties | cut -d = -f 2)"
         git tag "v${VERSION}" -F distribution/whatsnew/whatsnew-en-GB
 
         # Push the tag to GitHub