use go-version for link-milestone.yaml

Author: sreallymatt

.github/workflows/link-milestone.yaml

@@ -17,8 +17,8 @@ jobs:
     steps:
       - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
         with:
-          go-version-file: ./.go-version
-
+          # we cannot use go-version-file here because no repositories are checked out so there is no file to reference
+          go-version: '1.24.1'
       - run: |
           go install github.com/stephybun/link-milestone@latest
           link-milestone