Update default Go version

Update build to use Go 1.22.
* Fixup one CI test to use Go version from environment.

Signed-off-by: SuperQ <superq@gmail.com>

.github/workflows/go.test.yml

@@ -58,10 +58,13 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v4
 
+      - name: Setup Go Version
+        run: echo "GO_VERSION=$(cat .go-version)" >> $GITHUB_ENV
+
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: '~1.21.0'
+          go-version: ${{ env.GO_VERSION }}
         id: go
 
       - name: Build

.go-version

@@ -1 +1 @@
-1.21.8
+1.22.1