Pin actions/checkout action to 61b9e37

Author: oxide-renovate[bot]

.github/workflows/licence-check.yml

@@ -10,6 +10,6 @@ jobs:
   license:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@master
+    - uses: actions/checkout@61b9e3751b92087fd0b06925ba6dd6314e06f089 # master
     - name: Check License Header
       uses: apache/skywalking-eyes/header@4f4281f13ebf854ebf514c1d5c3ea6797ae7e234