ci: run CI with latest Go releases

Author: aereal

.github/workflows/ci.yml

@@ -17,9 +17,8 @@ jobs:
     strategy:
       matrix:
         go_version:
-          - '1.19.x'
-          - '1.20.x'
           - '1.21.x'
+          - '1.22.x'
         os:
           - ubuntu-latest
     runs-on: ${{ matrix.os }}