Bump Go version for CI builds to 1.22 (#174)

* Bump Go version for CI builds to 1.21

* Bump to 1.22 in line with gRPC release policy

Author: lina-temporal

.github/workflows/ci.yml

@@ -14,6 +14,6 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
-          go-version: "1.20"
+          go-version: "1.22"
       - name: Check
         run: make check test