Us goreleaser v2 in release workflow (#106)

I though upgrading to the v6 action did this automatically, but missed
that I had pinned a v1 version in the workflow definition.

Author: bluekeyes

.github/workflows/release.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v6
         with:
-          version: v1.23.0
+          version: '~> v2'
           args: release --clean
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}