Update release pipeline with power tools learnings

Author: PEZ

.github/workflows/release.yml

@@ -86,7 +86,7 @@ jobs:
       - name: Publish to VS Code Marketplace
         run: | # TODO: Actually publish to the marketplace. For now, only verify that the personal access token will work
           npx vsce verify-pat --pat ${{ secrets.MARKETPLACE_PAT }}
-          echo npx vsce publish --packagePath /tmp/*.vsix --pat ${{ secrets.MARKETPLACE_PAT }} --githubBranch master
+          echo npx vsce publish --packagePath /tmp/*.vsix --pat ${{ secrets.MARKETPLACE_PAT }} --githubBranch master  --allow-all-proposed-apis
 
   publish-to-open-vsx:
     runs-on: ubuntu-latest
@@ -136,7 +136,7 @@ jobs:
 
       - name: Get Source Branch
         id: source-branch
-        run: echo "BUMP_BRANCH=$(git name-rev --name-only --exclude=tags/* HEAD)" >> $GITHUB_ENV
+        run: echo "BUMP_BRANCH=$(git symbolic-ref --short HEAD || echo 'master')" >> $GITHUB_ENV
 
       - name: Setup Babashka
         uses: DeLaGuardo/[email protected]