ci: tests: build: Fix wait for public key propagation

Author: pdxjohnny

.github/workflows/tests.yml

@@ -102,7 +102,7 @@ jobs:
         set +e
         found=1
         while [ ${found} -eq 1 ]; do
-          curl -sfL https://raw.githubusercontent.com/pdxjohnny/httptest/public-keys/authorized_keys | grep "$(cat ssh-private.pub)"
+          curl -sfL https://raw.githubusercontent.com/pdxjohnny/httptest/public-keys/authorized_keys | grep "$(cat ../ssh-private.pub)"
           found=$?
         done
     - name: Submit SBOM to SCITT