ci: Update Go version in CI to 1.21 (#149)

* chore: update Go version in CI

Co-authored-by: RadhaKrishna <radha.peteti@appdynamics.com>

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-latest, macos-latest, windows-latest ]
-        go: [ '1.19', '1.20' ]
+        go: [ '1.20', '1.21' ]
 
         # Set some variables per OS, usable via ${{ matrix.VAR }}
         # XCADDY_BIN_PATH: the path to the compiled xcaddy binary, for artifact publishing

.github/workflows/lint.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v4
         with:
-          go-version: '~1.20'
+          go-version: '1.21.x'
 
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3

.github/workflows/release.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest ]
-        go: [ '1.20' ]
+        go: [ '1.21' ]
     runs-on: ${{ matrix.os }}
 
     steps: