refine release job go version

Author: DahuK

.github/workflows/release-github.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        go-version: ['1.20']
+        go-version: ['1.21']
       fail-fast: true
     steps:
       - name: Checkout
@@ -27,7 +27,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.21'
         env:
           GOPATH: ${{ env.HOME }}
       - name: Set GoReleaser Previous Tag To Be Last Non Weekly Release