chore(deps): update redis docker digest to 7b6fb55 (#343)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/test.yml

@@ -99,7 +99,7 @@ jobs:
           - 3306:3306
         options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
       redis:
-        image: redis@sha256:c22af04bb576503bf16b3e34a1fd2fd82de0f765afd866d2e380145e0af30d78
+        image: redis@sha256:7b6fb55d8b0adcd77269dc52b3cfffe5f59ca5d43dec3c90dbe18aacce7942e1
         ports:
           - 6379:6379
         options: --health-cmd="redis-cli ping" --health-interval=10s --health-timeout=5s --health-retries=3