Update redis Docker tag from 7.2.7 to v7.2.8 (docker-compose.yml) (#12311)

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

Author: renovate[bot]

docker-compose.yml

@@ -114,7 +114,7 @@ services:
       - defectdojo_postgres:/var/lib/postgresql/data
   redis:
     # Pinning to this version due to licensing constraints
-    image: redis:7.2.7-alpine@sha256:ddd16a9b1575a774c7e62956be8daa1de5b32cfb5c25b7a216aefed8e0919f9b
+    image: redis:7.2.8-alpine@sha256:c88ea2979a49ca497bbf7d39241b237f86c98e58cb2f6b1bc2dd167621f819bb
     volumes:
       - defectdojo_redis:/data
 volumes: