Add artifact links to pull request

.github/workflows/pr-comment.yml

@@ -0,0 +1,32 @@
+# https://github.com/subsurface/subsurface/blob/master/.github/workflows/artifact-links.yml
+
+name: Add artifact links to pull request
+
+on:
+  workflow_run:
+    workflows: ["Build All Architectures"]
+    types: [completed]
+
+jobs:
+  artifacts-url-comments:
+    name: Add artifact links to PR and issues
+    runs-on: ubuntu-22.04
+
+    # Restrict permissions for the GITHUB_TOKEN, https://docs.github.com/en/actions/using-jobs/assigning-permissions-to-jobs
+    permissions:
+      issues: write
+      pull-requests: write
+      actions: read
+
+    steps:
+    - name: Add artifact links to PR and issues
+      if: github.event.workflow_run.event == 'pull_request'
+      uses: tonyhallett/artifacts-url-comments@0965ff1a7ae03c5c1644d3c30f956effea4e05ef # v1.1.0
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        prefix: "Build for testing:"
+        suffix: "Use at your own risk."
+        format: name
+        addTo: pull
+        errorNoArtifacts: false