Add concurrency groups to workflows to cancel superseded runs (#1007)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: thomasnordquist <7721625+thomasnordquist@users.noreply.github.com>

.github/workflows/update-website.yml

@@ -2,6 +2,10 @@ name: Update Website
 
 on: [release, workflow_dispatch]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: false
+
 jobs:
   update-website:
     runs-on: ubuntu-latest