Update golang workflow

Author: xorcare

.github/workflows/go.yml

@@ -24,6 +24,9 @@ jobs:
         - '1.17'
         - '1.18'
         - '1.19'
+        - '1.20'
+        - '1.21'
+        - '1.22'
     steps:
     - uses: actions/checkout@v4
     - name: "Set up Go:${{ matrix.go }}"
@@ -43,7 +46,7 @@ jobs:
     - name: "Set up Go"
       uses: actions/setup-go@v5
       with:
-        go-version: '1.19'
+        go-version: '1.21'
     - name: Make check
       run: make check
     - uses: codecov/codecov-action@v4