Get ready for go1.22 (#186)

* added 1.22

Author: vtopc

.github/workflows/test.yaml

@@ -16,9 +16,10 @@ jobs:
     strategy:
       matrix:
         go-version:
-          - 1.19.x
+          - 1.19.x # a minimum supported version(from go.mod)
           - 1.20.x
           - 1.21.x
+          - 1.22.x
         os: [ ubuntu-latest ]
     runs-on: ${{ matrix.os }}
     steps: