Recent JWX possibly broken, quote go version

Author: yaronf

.github/workflows/test.yml

@@ -9,7 +9,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v5
         with:
-          go-version: 1.20
+          go-version: '1.20'
           cache: false
       - name: Test
         run: go test ./...