fix(ci): update workflow to modern Go versions and actions

Author: filipenos

.github/workflows/ci.yml

@@ -2,31 +2,19 @@ on: [push, pull_request]
 name: Test
 jobs:
   test:
-    env:
-      GOPATH: ${{ github.workspace }}
-      GO111MODULE: off
-
-    defaults:
-      run:
-        working-directory: ${{ env.GOPATH }}/src/github.com/${{ github.repository }}
-
     strategy:
       matrix:
-        go-version: [1.14.x, 1.15.x, 1.16.x]
+        go-version: [1.21.x, 1.22.x, 1.23.x]
         os: [ubuntu-latest, macos-latest, windows-latest]
 
     runs-on: ${{ matrix.os }}
 
     steps:
     - name: Install Go
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v5
       with:
         go-version: ${{ matrix.go-version }}
     - name: Checkout code
-      uses: actions/checkout@v2
-      with:
-        path: ${{ env.GOPATH }}/src/github.com/${{ github.repository }}
+      uses: actions/checkout@v4
     - name: Test
-      run: |
-        go get -d -t ./...
-        go test -v ./...
+      run: go test -v ./...