Fix/t33413 (#90)

* Update test.yml

Upgrading the saucectl-run-action to v3. This version of the run action will only allow released versions, not pre-release, to resolve at 'latest'.
https://hack.in.backtrace.io/T33413

Author: rick-bt

.github/workflows/test.yml

@@ -92,7 +92,7 @@ jobs:
         run: curl -L https://saucelabs.github.io/saucectl/install | bash
 
       - name: Install saucectl
-        uses: saucelabs/saucectl-run-action@v2
+        uses: saucelabs/saucectl-run-action@v3
         with:
           skip-run: true