Align go version when linting code with all other actions (#1998)

This is the only place we're still hardcoding the Golang version instead
of inferring it from the go.mod file and it breaks PRs that update us to
1.25, so this fixes that.

Author: markusthoemmes

.github/workflows/verify.yaml

@@ -28,7 +28,7 @@ jobs:
 
       - uses: actions/setup-go@4dc6199c7b1a012772edbd06daecab0f50c9053c # v6.1.0
         with:
-          go-version: '1.24'
+          go-version-file: './go.mod'
           check-latest: true
 
       - name: golangci-lint