Use --free-runners on GitHub forks

Author: hugovk

.github/workflows/linux.yml

@@ -182,6 +182,7 @@ jobs:
             --labels "${STEPS_GET_LABELS_OUTPUTS_LABELS}" \
             --max-shards 2 \
             ${{ (steps.check-pythonbuild.outputs.changed == 'true' || github.ref == 'refs/heads/main') && '--force-crate-build' || '' }} \
+            ${{ github.event.repository.fork && '--free-runners' || '' }} \
             > matrix.json
 
           echo "python-build-matrix-0=$(jq -c '."python-build"["0"]' matrix.json)" >> $GITHUB_OUTPUT

.github/workflows/macos.yml

@@ -94,6 +94,7 @@ jobs:
             --platform darwin \
             --labels "${STEPS_GET_LABELS_OUTPUTS_LABELS}" \
             ${{ (steps.check-pythonbuild.outputs.changed == 'true' || github.ref == 'refs/heads/main') && '--force-crate-build' || '' }} \
+            ${{ github.event.repository.fork && '--free-runners' || '' }} \
             > matrix.json
 
           # Extract python-build matrix

.github/workflows/windows.yml

@@ -94,6 +94,7 @@ jobs:
             --platform windows \
             --labels "${STEPS_GET_LABELS_OUTPUTS_LABELS}" \
             ${{ (steps.check-pythonbuild.outputs.changed == 'true' || github.ref == 'refs/heads/main') && '--force-crate-build' || '' }} \
+            ${{ github.event.repository.fork && '--free-runners' || '' }} \
             > matrix.json
 
           # Extract python-build matrix