Update dependency go to v1.26.4 (#89)

Co-authored-by: ske-renovate-operator[bot] <289664651+ske-renovate-operator[bot]@users.noreply.github.com>

Author: ske-renovate-operator[bot]

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
         uses: actions/setup-go@v6
         id: go
         with:
-          go-version: 1.26.3
+          go-version: 1.26.4
       - name: Verify go.mod is sane
         run: go mod tidy && git diff --no-patch --exit-code
       - name: Golangci-lint