.github: upgrade to action versions with node20 (#29776)

* github: upgrade checkout action to version with node20

* Update go.yml

---------

Co-authored-by: Felix Lange <fjl@twurst.com>

.github/workflows/go.yml

@@ -11,9 +11,9 @@ jobs:
   build:
     runs-on: self-hosted
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v5
         with:
           go-version: 1.21.4
       - name: Run tests