chore(docker): bump python from 3.13-slim to 3.14-slim (#27)

Bumps python from 3.13-slim to 3.14-slim.

---
updated-dependencies:
- dependency-name: python
  dependency-version: 3.14-slim
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.13-slim
+FROM python:3.14-slim
 
 LABEL org.opencontainers.image.title="ciguard"
 LABEL org.opencontainers.image.description="Static security auditor for CI/CD pipelines"