Update go to 1.21.4

.github/workflows/deps.yml

@@ -22,15 +22,15 @@ jobs:
       - id: govulncheck
         uses: golang/govulncheck-action@v1
         with:
-          go-version-input: 1.21.3
+          go-version-input: 1.21.4
           go-version-file: go.mod
       - id: govulncheck-tests-integration
         uses: golang/govulncheck-action@v1
         with:
-          go-version-input: 1.21.3
+          go-version-input: 1.21.4
           go-version-file: tests/integration/go.mod
       - id: govulncheck-tests-e2e
         uses: golang/govulncheck-action@v1
         with:
-          go-version-input: 1.21.3
+          go-version-input: 1.21.4
           go-version-file: tests/e2e/go.mod

Dockerfile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 ARG image=public.ecr.aws/eks-distro-build-tooling/eks-distro-minimal-base-nonroot:2023-02-22-1677092456.2
-ARG golang_image=public.ecr.aws/docker/library/golang:1.21.3
+ARG golang_image=public.ecr.aws/docker/library/golang:1.21.4
 
 FROM --platform=$BUILDPLATFORM $golang_image AS builder
 WORKDIR /go/src/github.com/kubernetes-sigs/aws-iam-authenticator

go.mod

@@ -1,6 +1,6 @@
 module sigs.k8s.io/aws-iam-authenticator
 
-go 1.19
+go 1.21
 
 require (
 	github.com/aws/aws-sdk-go v1.44.332