fix: authenticate cassandra version lookup

Author: dkropachev

.github/workflows/tests@v1.yml

@@ -212,6 +212,7 @@ jobs:
         id: cassandra-version
         env:
           CASSANDRA_VERSION: ${{ matrix.cassandra-version }}
+          GH_TOKEN: ${{ github.token }}
         run: make resolve-cassandra-version
 
       - name: Pull CCM image from the cache