Release action: Fetch master branch in checkout

Author: henrymercer

.github/workflows/release.yml

@@ -29,6 +29,12 @@ jobs:
       - name: Checkout
         uses: actions/checkout@master
 
+      # The checkout action does not fetch the master branch.
+      # Fetch the master branch so that we can base the version bump PR against master.
+      - name: Fetch master branch
+        run: |
+          git fetch --depth=1 origin master:master
+
       - name: Build
         run: |
           cd build
@@ -100,13 +106,12 @@ jobs:
           echo "::set-output name=next_version::$NEXT_VERSION"
 
       - name: Create version bump PR
-        uses: peter-evans/create-pull-request@7531167f24e3914996c8d5110b5e08478ddadff9  # v1.8.0
+        uses: peter-evans/create-pull-request@c202684c928d4c9f18394b2ad11df905c5d8b40c # v2.1.2
         if: success()
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: Bump version to ${{ steps.bump-patch-version.outputs.next_version }}
           title: Bump version to ${{ steps.bump-patch-version.outputs.next_version }}
           body: This PR was automatically generated by the GitHub Actions release workflow in this repository.
           branch: ${{ format('version/bump-to-{0}', steps.bump-patch-version.outputs.next_version) }}
-          branch-suffix: none
           base: master