[chore] Move scylladb implementation to docker-compose (jaegertraci…

…ng#6652)

## Which problem is this PR solving?
- Towards jaegertracing#6637

## Description of the changes
- This PR moves the docker-compose setup for scylladb to from
`plugin/storage/scylladb` to `docker-compose/scylladb`

## How was this change tested?
- CI

## Checklist
- [x] I have read
https://github.com/jaegertracing/jaeger/blob/master/CONTRIBUTING_GUIDELINES.md
- [x] I have signed all commits
- [x] I have added unit tests for the new functionality
- [x] I have run lint and test steps successfully
  - for `jaeger`: `make lint test`
  - for `jaeger-ui`: `npm run lint` and `npm run test`

Signed-off-by: Mahad Zaryab <mahadzaryab1@gmail.com>

renovate.json

@@ -28,7 +28,7 @@
         "docker-compose/monitor/docker-compose.yml",
         "docker-compose/opensearch/v1/docker-compose.yml",
         "docker-compose/opensearch/v2/docker-compose.yml",
-        "plugin/storage/scylladb/docker-compose.yml"
+        "docker-compose/scylladb/docker-compose.yml"
       ],
       "matchUpdateTypes": [
         "major",