Update apache/skywalking-eyes digest to 4f4281f (#17)

Co-authored-by: oxide-renovate[bot] <146848827+oxide-renovate[bot]@users.noreply.github.com>

Author: oxide-renovate[bot]

.github/workflows/licence-check.yml

@@ -12,4 +12,4 @@ jobs:
     steps:
     - uses: actions/checkout@master
     - name: Check License Header
-      uses: apache/skywalking-eyes/header@c4b6b3195c028447a395aeec8053cae2d6cfd0b5
+      uses: apache/skywalking-eyes/header@4f4281f13ebf854ebf514c1d5c3ea6797ae7e234