Rename linux-arm64 PR check to runner-images

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

.github/workflows/__runner-images.yml

@@ -3,7 +3,7 @@
 #     pr-checks/sync.sh
 # to regenerate this file.
 
-name: PR Check - Linux Arm64
+name: PR Check - Runner images
 env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   GO111MODULE: auto
@@ -47,16 +47,16 @@ defaults:
     shell: bash
 concurrency:
   cancel-in-progress: ${{ github.event_name == 'pull_request' || false }}
-  group: linux-arm64-${{github.ref}}-${{inputs.dotnet-version}}-${{inputs.go-version}}
+  group: runner-images-${{github.ref}}-${{inputs.dotnet-version}}-${{inputs.go-version}}
 jobs:
-  linux-arm64:
+  runner-images:
     strategy:
       fail-fast: false
       matrix:
         include:
           - os: ubuntu-24.04-arm
             version: nightly-latest
-    name: Linux Arm64
+    name: Runner images
     if: github.triggering_actor != 'dependabot[bot]'
     permissions:
       contents: read

pr-checks/checks/runner-images.yml

@@ -1,4 +1,4 @@
-name: "Linux Arm64"
+name: "Runner images"
 description: "An end-to-end integration test running on a Linux Arm64 runner, checking that the native linux-arm64 CodeQL bundle is downloaded and can analyze interpreted and compiled code"
 operatingSystems:
   - os: ubuntu