Bump timescale/timescaledb from 2.25.1-pg18 to 2.28.2-pg18 (#13)

Bumps timescale/timescaledb from 2.25.1-pg18 to 2.28.2-pg18.

---
updated-dependencies:
- dependency-name: timescale/timescaledb
  dependency-version: 2.28.2-pg18
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

docker-compose.yml

@@ -15,7 +15,7 @@ services:
     restart: unless-stopped
 
   db:
-    image: timescale/timescaledb:2.25.1-pg18
+    image: timescale/timescaledb:2.28.2-pg18
     environment:
       POSTGRES_USER: user
       POSTGRES_PASSWORD: password