BRE-130 Release Notes for self-host are automatically generate by GitHub Workflow (#321)

* BRE-130 Release Notes for self-host are automatically generate by GitHub Workflow

* Generate release notes based on latest released versions

.github/workflows/release.yml

@@ -26,6 +26,8 @@ jobs:
     outputs:
       _WEB_RELEASE_TAG: ${{ steps.set-tags.outputs.WEB_RELEASE_TAG }}
       _CORE_RELEASE_TAG: ${{ steps.set-tags.outputs.CORE_RELEASE_TAG }}
+      _KEY_CONNECTOR_RELEASE_TAG: ${{ steps.set-tags.outputs.KEY_CONNECTOR_RELEASE_TAG }}
+      _LATEST_SELF_HOST_VERSION: ${{ steps.get-self-host.outputs.version }}
     steps:
       - name: Branch check
         if: ${{ github.event.inputs.release_type != 'Dry Run' }}
@@ -61,9 +63,11 @@ jobs:
         run: |
           WEB=$(jq -r '.versions.webVersion' < version.json)
           CORE=$(jq -r '.versions.coreVersion' < version.json)
+          KEY_CONNECTOR=$(jq -r '.versions.keyConnectorVersion' < version.json)
 
           echo "WEB_RELEASE_TAG=$WEB" >> $GITHUB_OUTPUT
           echo "CORE_RELEASE_TAG=$CORE" >> $GITHUB_OUTPUT
+          echo "KEY_CONNECTOR_RELEASE_TAG=$KEY_CONNECTOR" >> $GITHUB_OUTPUT
 
   release:
     name: Create GitHub Release
@@ -75,6 +79,50 @@ jobs:
         with:
           ref: main
 
+      - name: Get projects that changed versions
+        id: changed-projects
+        env:
+          _LATEST_SELF_HOST_VERSION: ${{ needs.setup.outputs._LATEST_SELF_HOST_VERSION }}
+        run: |
+          git diff --unified=0 v$_LATEST_SELF_HOST_VERSION main -- version.json >> diff.txt
+
+          if grep -q "webVersion" diff.txt; then
+            echo "WEB_VERSION_CHANGED=true" >> $GITHUB_OUTPUT
+          fi
+
+          if grep -q "coreVersion" diff.txt; then
+            echo "CORE_VERSION_CHANGED=true" >> $GITHUB_OUTPUT
+          fi
+
+          if grep -q "keyConnectorVersion" diff.txt; then
+            echo "KEY_CONNECTOR_VERSION_CHANGED=true" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Prepare release notes
+        id: prepare-release-notes
+        run: |
+          RELEASE_NOTES=""
+
+          if [ -n "${{ steps.changed-projects.outputs.CORE_VERSION_CHANGED }}" ]; then
+            RELEASE_NOTES+="Update Core version to [v${{ needs.setup.outputs._CORE_RELEASE_TAG }}](https://github.com/bitwarden/server/releases/tag/v${{ needs.setup.outputs._CORE_RELEASE_TAG }})"
+          fi
+
+          if [ -n "${{ steps.changed-projects.outputs.WEB_VERSION_CHANGED }}" ]; then
+            if [ -n "$RELEASE_NOTES" ]; then
+              RELEASE_NOTES+="\n"
+            fi
+            RELEASE_NOTES+="Update Web version to [v${{ needs.setup.outputs._WEB_RELEASE_TAG }}](https://github.com/bitwarden/clients/releases/tag/web-v${{ needs.setup.outputs._WEB_RELEASE_TAG }})"
+          fi
+
+          if [ -n "${{ steps.changed-projects.outputs.KEY_CONNECTOR_VERSION_CHANGED }}" ]; then
+            if [ -n "$RELEASE_NOTES" ]; then
+              RELEASE_NOTES+="\n"
+            fi
+            RELEASE_NOTES+="Update Key Connector version to [v${{ needs.setup.outputs._KEY_CONNECTOR_RELEASE_TAG }}](https://github.com/bitwarden/key-connector/releases/tag/v${{ needs.setup.outputs._KEY_CONNECTOR_RELEASE_TAG }})"
+          fi
+
+          echo "RELEASE_NOTES=$RELEASE_NOTES" >> $GITHUB_OUTPUT
+
       - name: Create release
         if: ${{ github.event.inputs.release_type != 'Dry Run' }}
         uses: ncipollo/release-action@2c591bcc8ecdcd2db72b97d6147f871fcd833ba5 # v1.14.0
@@ -87,9 +135,9 @@ jobs:
           commit: ${{ github.sha }}
           tag: "v${{ github.event.inputs.release_version }}"
           name: "Version ${{ github.event.inputs.release_version }}"
-          body: "<insert release notes here>"
+          body: ${{ steps.prepare-release-notes.outputs.RELEASE_NOTES }}
           token: ${{ secrets.GITHUB_TOKEN }}
-          draft: true
+          draft: false
 
   release-version:
     name: Upload version.json