Chore(deps): Update docker requirement from <7 to <8

Updates the requirements on [docker](https://github.com/docker/docker-py) to permit the latest version.
- [Release notes](https://github.com/docker/docker-py/releases)
- [Commits](docker/docker-py@0.0.2...7.1.0)

---
updated-dependencies:
- dependency-name: docker
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -140,7 +140,7 @@ optional-dependencies.test = [
   # Solution: Pin `docker` and `requests` packages.
   # https://github.com/docker/docker-py/issues/3256#issuecomment-2126888985
   "cratedb-toolkit[testing]==0.0.15",
-  "docker<7",
+  "docker<8",
   "localstack-utils<1.1",
   "pytest<9",
   "pytest-asyncio-cooperative<0.30",