👷 Upgrade actions/checkout action to v5

Author: renovate[bot]

.github/workflows/makefile.yml

@@ -12,6 +12,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: checkout repo
-      uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
+      uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
     - name: test
       run: make test