Fix release process (#1736)

* Update changelog generator and make read file conditional

* Upgrade release drafter to v6

Author: muuki88

.github/workflows/release-drafter.yml

@@ -5,13 +5,14 @@ on:
     # branches to consider in the event; optional, defaults to all
     branches:
       - $default-branch
+      - main
 
 jobs:
   update_release_draft:
     runs-on: ubuntu-latest
     steps:
       # Drafts your next Release notes as Pull Requests are merged into "master"
-      - uses: release-drafter/release-drafter@v5
+      - uses: release-drafter/release-drafter@v6
         with:
           config-name: release-drafter.yml
         env:

.github/workflows/release.yml

@@ -28,7 +28,7 @@ jobs:
       # generate a github release
       - name: Generate release changelog
         id: changelog
-        uses: heinrichreimer/github-changelog-generator-action@v2.1.1
+        uses: heinrichreimer/github-changelog-generator-action@v2.4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           cacheFile: '.github-changelog-cache'
@@ -42,6 +42,7 @@ jobs:
           output: LATEST_RELEASE.md
       - name: Read latest_release.md
         id: release_changelog
+        if: ${{ hashFiles('LATEST_RELEASE.md') != '' }}
         uses: juliangruber/read-file-action@v1
         with:
           path: ./LATEST_RELEASE.md