.github: Fix go version used to be taken from go.mod

Author: brancz

.github/workflows/release.yml

@@ -26,7 +26,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
         with:
-          go-version-file: .go-version
+          go-version-file: 'go.mod'
 
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@336e29918d653399e599bfca99fadc1d7ffbc9f7 # v4.3.0