chore(deps): update docker.io/redis docker tag to v8 (#98)

This PR contains the following updates:

| Package | Update | Change | Pending |
|---|---|---|---|
| docker.io/redis | major | `7.4.3-bookworm` -> `8.0.0-bookworm` |
`8.0.1-bookworm` |

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docker-compose.yml

@@ -61,7 +61,7 @@ services:
       - commitrack
 
   cache:
-    image: docker.io/redis:7.4.3-bookworm@sha256:7df1eeff67eb0ba84f6b9d2940765a6bb1158081426745c185a03b1507de6a09
+    image: docker.io/redis:8.0.0-bookworm@sha256:a4b90e7079b67c41bdf4ca6f9d87197079e4c1c3273b7f489a74f2687d85a05e
     container_name: commitrack-cache
     ports:
       - "6379:6379"