Add GHA build workflow and update go version

.github/workflows/build.yaml

@@ -0,0 +1,31 @@
+name: Build
+
+on:
+  pull_request:
+    branches:
+      - main
+      - v*
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    strategy:
+      fail-fast: true
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.21
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - uses: actions/cache@v4
+        with:
+          path: /home/runner/go/pkg/mod
+          key: go-mod
+      - name: Build and run tests
+        run: |
+          make test

.tool-versions

@@ -1 +1 @@
-golang 1.19
+golang 1.21

Makefile

@@ -5,19 +5,19 @@ default: build
 build:
 	go build -v
 
-test:
+test: build
 	go test -v ./...
 
 dockerbuild:
-	docker run --rm -it -v `pwd`:/workspace -w /workspace golang:1.17 go build -v
+	docker run --rm -it -v `pwd`:/workspace -w /workspace golang:1.21 go build -v
 
 dockertest:
-	docker run --rm -it -v `pwd`:/workspace -w /workspace golang:1.17 go test -v ./...
+	docker run --rm -it -v `pwd`:/workspace -w /workspace golang:1.21 go test -v ./...
 
 release:
-	docker run --rm -it -v `pwd`:/workspace -w /workspace -e GITHUB_TOKEN golang:1.17 /workspace/scripts/release.sh
+	docker run --rm -it -v `pwd`:/workspace -w /workspace -e GITHUB_TOKEN golang:1.21 /workspace/scripts/release.sh
 
 snapshot:
-	docker run --rm -it -v `pwd`:/workspace -w /workspace -e GITHUB_TOKEN golang:1.17 /workspace/scripts/release.sh --snapshot
+	docker run --rm -it -v `pwd`:/workspace -w /workspace -e GITHUB_TOKEN golang:1.21 /workspace/scripts/release.sh --snapshot
 
 .PHONY: build test changelog targets $(TARGETS)

go.mod

@@ -1,6 +1,6 @@
 module github.com/sl1pm4t/k2tf
 
-go 1.19
+go 1.21
 
 require (
 	github.com/hashicorp/go-multierror v1.1.1