gh-action: checkout@v6

Author: ignoramous

.github/workflows/go.yml

@@ -402,7 +402,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 🥏 Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: 🍭 Run
         uses: oss-review-toolkit/ort-ci-github-action@main
         with:
@@ -425,7 +425,7 @@ jobs:
       GO111MODULE: on
     steps:
       - name: 🥏 Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: 📀 Gosec Scanner
         uses: securego/gosec@master
         with: