Update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/go.yml

@@ -11,7 +11,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v5
 
     - name: Set up Go
       uses: actions/setup-go@v4

.github/workflows/image.yml

@@ -11,7 +11,7 @@ jobs:
       packages: write
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v5
     - uses: imjasonh/[email protected]
 
     - name: ko build