Try renaming file

.gitea/workflows/demo.yaml

@@ -0,0 +1,22 @@
+---
+name: tests
+# yamllint disable-line rule:truthy
+on: [push]
+
+jobs:
+  lint:
+    name: run linter
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      - name: Install package dependencies
+        run: |
+          sudo apt-get install \
+            ansible-lint \
+            jsonlint \
+            shellcheck \
+            yamllint
+          ln -s /usr/bin/jsonlint-php /usr/local/bin/jsonlint
+      - name: Run linters
+        run: make -C ./tests