ci: docs-check: Fix code

TOML > YAML

.github/workflows/docs-check.yml

@@ -1,20 +1,18 @@
 name: Docs Check
 
- on:
-   pull_request:
-     branches:
-       - master
-     types:
-       - opened
-       - labeled
-       - unlabeled
+on:
+  pull_request:
+    types:
+      - opened
+      - labeled
+      - unlabeled
 
- jobs:
-   fail-if-docs-needed:
-     if: contains(github.event.pull_request.labels.*.name, 'docs-needed')
-     runs-on: ubuntu-latest
-     steps:
-       - name: Fail if PR needs accompanying docs to be written
-         run: |
-           echo "This change needs to be documented. Please get the docs approved, and change 'docs-needed' to 'docs-complete'."
-           exit 1
+jobs:
+  fail-if-docs-needed:
+    if: contains(github.event.pull_request.labels.*.name, 'docs-needed')
+    runs-on: ubuntu-latest
+    steps:
+      - name: Fail if PR needs accompanying docs to be written
+        run: |
+          echo "This change needs to be documented. Please get the docs approved, and change 'docs-needed' to 'docs-complete'."
+          exit 1