[Issue-1753] Optimize build time

.github/workflows/build-internal.yml

@@ -5,14 +5,26 @@ on:
     branches: [ "koni-dev", "upgrade-ui" ]
 
 jobs:
+  check-runner:
+    runs-on: macos-13
+    outputs:
+      runner-label: ${{ steps.set-runner.outputs.runner-label }}
+
+    steps:
+      - name: Set runner
+        id: set-runner
+        run: |
+          runners=$(curl -s -H "Accept: application/vnd.github+json" -H "Authorization: token ${{ secrets.REPO_ACCESS_TOKEN }}" "https://api.github.com/repos/${{ github.repository }}/actions/runners")
+          available=$(echo "$runners" | jq '.runners[] | select(.status == "online" and .busy == false and .labels[] .name == "self-hosted")')
+          if [ -n "$available" ]; then
+            echo "runner-label=self-hosted" >> $GITHUB_OUTPUT
+          else
+            echo "runner-label=macos-13" >> $GITHUB_OUTPUT
+          fi
   # iOS build workflow -------------------------------------------------
   build-ios:
     name: iOS builds
-    runs-on:
-      - labels: [self-hosted]
-        timeout-minutes: 0
-      - labels: [macos-13]
-        timeout-minutes: 10
+    runs-on: ${{ needs.check-runner.outputs.runner-label }}
     env:
       GH_PAT: ${{ secrets.GH_PAT }}
       GH_RELEASE_GITHUB_API_TOKEN: ${{ secrets.GH_PAT }}