Make "Release" workflow's changelog generation regex support prereleases

The GitHub Actions workflow that does releases of the project uses the `arduino/create-changelog` action to generate a
raw draft changelog made up of the commit history since the previous tag. Previously, the regular expression used to
identify the previous tag only supported production release versions. The standard prerelease tag names resulted in a
changelog that contained the entire commit history.

.github/workflows/release-go-task.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Create changelog
         uses: arduino/create-changelog@v1
         with:
-          tag-regex: '^[0-9]+\.[0-9]+\.[0-9]+$'
+          tag-regex: '^[0-9]+\.[0-9]+\.[0-9]+.*$'
           filter-regex: '^\[(skip|changelog)[ ,-](skip|changelog)\].*'
           case-insensitive-regex: true
           changelog-file-path: "${{ env.DIST_DIR }}/CHANGELOG.md"