Drop ancient Go versions and add modern ones

.github/workflows/ci.yml

@@ -9,38 +9,18 @@ jobs:
 
     strategy:
       matrix:
-        go: [1.8, 1.9, '1.10', 1.11, 1.12, 1.13, 1.14, 1.15, 1.16, 1.17, 1.18]
+        go: [1.11, 1.12, 1.13, 1.14, 1.15, 1.16, 1.17, 1.18, 1.19, '1.20', 1.21, 1.22, 1.23]
 
     steps:
 
-    - name: Checkout to GOPATH
-      if: ${{ matrix.go == '1.8' || matrix.go == '1.9' || matrix.go == '1.10' }}
-      uses: actions/checkout@v2
-      with:
-        path: go/src/github.com/${{ github.repository }}
-
-    - name: Checkout with no GOPATH
-      if: ${{ matrix.go != '1.8' && matrix.go != '1.9' && matrix.go != '1.10' }}
+    - name: Checkout
       uses: actions/checkout@v2
 
     - name: Set up Go ${{ matrix.go }}
       uses: actions/setup-go@v1
       with:
         go-version: ${{ matrix.go }}
 
-    - name: "Setup dependencies"
-      if: ${{ matrix.go == '1.8' || matrix.go == '1.9' || matrix.go == '1.10' }}
-      run: go get -t ./... && cd $GOPATH/src/github.com/stretchr/testify/ && git checkout v1.2.2 && cd - && pwd
-      env:
-        GOPATH: /home/runner/work/errorx/errorx/go
-
-    - name: Build no modules
-      if: ${{ matrix.go == '1.8' || matrix.go == '1.9' || matrix.go == '1.10' }}
-      run: cd go/src/github.com/${{ github.repository }} && go test -v ./...
-      env:
-        GOPATH: /home/runner/work/errorx/errorx/go
-
-    - name: Build with modules
-      if: ${{ matrix.go != '1.8' && matrix.go != '1.9' && matrix.go != '1.10' }}
+    - name: Build
       run: go test -v ./...