Extract go version from go.mod

Signed-off-by: Marcelo Guerrero <[email protected]>

.github/workflows/build.yaml

@@ -2,21 +2,16 @@ name: build
 
 on: ["push", "pull_request"]
 
-env:
-  GO_VERSION: "1.19"
-
 jobs:
   lint:
     name: Lint
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v4
       - name: setup go
         uses: actions/setup-go@v5
         with:
-          go-version: ${{ env.GO_VERSION }}
-
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v4
+          go-version-file: go.mod
 
       - uses: golangci/golangci-lint-action@v5
         with:
@@ -26,13 +21,11 @@ jobs:
     name: build
     runs-on:  ubuntu-latest
     steps:
+      - uses: actions/checkout@v4
       - name: set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: ${{ env.GO_VERSION }}
-
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v4
+          go-version-file: go.mod
 
       - name: Build
         run: make build-bin
@@ -41,13 +34,11 @@ jobs:
     name: test
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v4
       - name: setup go
         uses: actions/setup-go@v5
         with:
-          go-version: ${{ env.GO_VERSION }}
-
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v4
+          go-version-file: go.mod
 
       - name: Test
         run: make test
@@ -57,13 +48,11 @@ jobs:
     needs: build
     name: coverage
     steps:
+      - uses: actions/checkout@v4
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: ${{ env.GO_VERSION }}
-
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v4
+          go-version-file: go.mod
 
       - name: Go test with coverage
         run: sudo make test-coverage # sudo needed for network interfaces creation