Setup go before running go mod edit

This runs on top of ubuntu-latest, which comes with go1.18

That version of go fails to execute "go mod edit -go 1.x.y"
It expects the edit to be "-go 1.x"

We need go 1.20 or later to do the edit -.-

.github/workflows/qa-azure.yaml

@@ -20,9 +20,12 @@ jobs:
     steps:
       - name: Check out repository
         uses: actions/checkout@v4
-      # This step is a workaround because vulnerability checker requires Go 1.21.3 which is not yet available on the archive.
+      # The following two steps are a workaround because vulnerability checker requires Go 1.21.3 which is not yet available on the archive.
       # That requirement only affects test code using mocks, so we don't yet depend on such contracts.
       # We should be safe with Go 1.21.1 for a while, until dependencies start to rely on the latest version.
+      - uses: actions/setup-go@v4
+        with:
+          go-version-file: go.work
       - name: Constrain go version
         shell: bash
         working-directory: wsl-pro-service