Merge pull request #3 from dfinity/or-cfg-chgs

trigger kernel rebuild on configuration changes

.github/workflows/targets.yml

@@ -41,11 +41,23 @@ jobs:
       ovmf: ${{ steps.filter.outputs.ovmf }}
       qemu: ${{  steps.filter.outputs.qemu }}
 
+  kernel-config-changes:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - id: filter
+        uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36
+        with:
+          filters: |
+            config: cfg/.config
+    outputs:
+      config: ${{ steps.filter.outputs.config }}
+
   kernel:
     runs-on: ubuntu-latest
 
     needs: [image-ref-changes, build-script-changes]
-    if: needs.image-ref-changes.outputs.kernel == 'true' || needs.build-script-changes.outputs.kernel == 'true'
+    if: needs.image-ref-changes.outputs.kernel == 'true' || needs.build-script-changes.outputs.kernel == 'true' || needs.kernel-config-changes.outputs.config == 'true'
 
     strategy:
       matrix: