Update go to 1.22, workflows, docker

.github/workflows/build.yml

@@ -10,7 +10,7 @@ jobs:
     # Test the latest release of Go
     strategy:
       matrix:
-        go: ["1.21"]
+        go: ["1.22"]
     steps:
       # Setup the workflow to use the specific version of Go
       - name: Set up Go 1.x
@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: ["1.21"]
+        go: ["2"]
     steps:
       - uses: actions/setup-go@v5
         with:

.github/workflows/codeql-analysis.yml

@@ -28,7 +28,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: "1.21.6"
+        go-version: "1.22.4"
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/release.yml

@@ -39,7 +39,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.21.6"
+          go-version: "1.22.4"
       # Checkout the repository
       - name: Checkout
         uses: actions/checkout@v4

Dockerfile

@@ -4,7 +4,7 @@ ARG HOMEDIR=/opt/gatekeeper
 # Builder
 #
 
-FROM --platform=$BUILDPLATFORM golang:1.21.6 AS build-env
+FROM --platform=$BUILDPLATFORM golang:1.22.4 AS build-env
 ARG HOMEDIR
 ARG TARGETOS TARGETARCH
 ENV GOOS=$TARGETOS