Bump up to golang v1.22

.github/workflows/pr.yaml

@@ -9,7 +9,7 @@ jobs:
     - name: Setup Go
       uses: actions/setup-go@v2
       with:
-        go-version: '1.21'
+        go-version: '1.22'
       id: go
 
     - name: Check out the code

.github/workflows/push.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: '1.21'
+        go-version: '1.22'
       id: go
 
     - name: Check out code into the Go module directory

Dockerfile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM --platform=$BUILDPLATFORM golang:1.21-bookworm AS build
+FROM --platform=$BUILDPLATFORM golang:1.22-bookworm AS build
 
 ARG TARGETOS
 ARG TARGETARCH

go.mod

@@ -1,8 +1,6 @@
 module github.com/vmware-tanzu/velero-plugin-for-aws
 
-go 1.21
-
-toolchain go1.21.3
+go 1.22
 
 require (
 	github.com/aws/aws-sdk-go-v2 v1.24.1