Update prepare-release.yml

Author: egil

.github/workflows/prepare-release.yml

@@ -76,12 +76,28 @@ jobs:
           git reset --soft HEAD~1
           git commit -S -m "${{ steps.versions.outputs.MAIN_VERSION_COMMIT_MESSAGE }}"
           git merge -S -X ours release/v$NBGV_MajorMinorVersion
-          
-      - name: ⏩ Push version.json updates to main
-        run: git push origin main
-        
-      - name: ⏩ Push release branch to origin
-        run: git push origin release/v$NBGV_MajorMinorVersion
+          git checkout release/v$NBGV_MajorMinorVersion
+
+      - name: 🛠️ Update changelog
+        uses: thomaseizinger/[email protected]
+        with:
+          version: ${{ env.NBGV_SimpleVersion }}
+      
+      - name: 🛠️ Update changelog compare URLs
+        shell: bash
+        run: |
+          sed -i -E "s/compare\/([0-9]+\.[0-9]+\.[0-9]+)\.\.\.([0-9]+\.[0-9]+\.[0-9]+)/compare\/v\1...v\2/" CHANGELOG.md
+          sed -i -E "s/compare\/([0-9]+\.[0-9]+\.[0-9]+)\.\.\.HEAD/compare\/v\1...HEAD/" CHANGELOG.md
+
+      - name: 🛠️ Merge changelog to main
+        run: | 
+          git checkout main
+          git merge -S release/v$NBGV_MajorMinorVersion
+
+      - name: ⏩ Push release and main branch to origin
+        run: |
+          git push origin main
+          git push origin release/v$NBGV_MajorMinorVersion
 
       - name: ⏭ Create pull request for release branch
         uses: thomaseizinger/[email protected]