Bump mambaorg/micromamba in /docker

Bumps mambaorg/micromamba from 2.8-debian13-slim to 2.9-debian13-slim.

---
updated-dependencies:
- dependency-name: mambaorg/micromamba
  dependency-version: 2.9-debian13-slim
  dependency-type: direct:production
...

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

Author: dependabot[bot]

docker/Dockerfile

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 
 # Create the container for distribution that has runtime dependencies.
-FROM mambaorg/micromamba:2.8-debian13-slim
+FROM mambaorg/micromamba:2.9-debian13-slim
 
 ARG PYTHON_VERSION="3.13"