Do not fail commits on workflow checks

.github/workflows/cla-check.yaml

@@ -7,6 +7,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check if CLA signed
+        id: check-cla
         uses: canonical/has-signed-canonical-cla@v1
         with:
           accept-existing-contributors: true
+      - name: Annotate exit status
+      run: |
+        set -eu
+        if [ ${{ steps.check-cla.outcome }} == "failure" ]; then
+          exit 78  # Neutral status
+        fi

.github/workflows/git-fixup.yaml

@@ -0,0 +1,20 @@
+name: Git Checks
+
+on: [pull_request]
+
+jobs:
+  block-fixup:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2.0.0
+    - name: Check fixup commits
+      id: check-fixup
+      uses: 13rac1/block-fixup-merge-action@v2.0.0
+      continue-on-error: true
+    - name: Annotate exit status
+      run: |
+        set -eu
+        if [ ${{ steps.check-fixup.outcome }} == "failure" ]; then
+          exit 78  # Neutral status
+        fi