fix pact testing in ci (#97)

.github/workflows/main.yaml

@@ -27,6 +27,7 @@ jobs:
       - uses: actions/setup-go@v4
         with:
           go-version: '^1.20'
+          cache: false
       - uses: replicatedhq/action-install-pact@v1
       - run: make test
       - if: github.event_name == 'push' || ( github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository )