Bump the regular-updates group in /cdk with 2 updates

Bumps the regular-updates group in /cdk with 2 updates: [ruff](https://github.com/astral-sh/ruff) and [cdk8s-plus-32](https://github.com/cdk8s-team/cdk8s-plus).


Updates `ruff` from 0.12.7 to 0.12.8
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.12.7...0.12.8)

Updates `cdk8s-plus-32` from 2.1.7 to 2.1.8
- [Release notes](https://github.com/cdk8s-team/cdk8s-plus/releases)
- [Commits](cdk8s-team/cdk8s-plus@cdk8s-plus-32/v2.1.7...cdk8s-plus-32/v2.1.8)

---
updated-dependencies:
- dependency-name: ruff
  dependency-version: 0.12.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: regular-updates
- dependency-name: cdk8s-plus-32
  dependency-version: 2.1.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: regular-updates
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

cdk/poetry.lock

@@ -10,8 +10,8 @@ package-mode = false
 python = ">=3.10,<3.13"
 ca-cdk-constructs = {git = "https://github.com/citizensadvice/ca-cdk-constructs", rev = "v0.14.0"}
 ca-cdk8s-constructs = { git = "https://github.com/citizensadvice/ca-cdk8s-constructs", rev = "v2.3.0" }
-ruff = "^0.12.7"
-cdk8s-plus-32 = "^2.1.7"
+ruff = "^0.12.8"
+cdk8s-plus-32 = "^2.1.8"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^8.4.1"