build(deps): bump docker/metadata-action from 5.8.0 to 5.9.0

Bumps [docker/metadata-action](https://github.com/docker/metadata-action) from 5.8.0 to 5.9.0.
- [Release notes](https://github.com/docker/metadata-action/releases)
- [Commits](docker/metadata-action@c1e5197...318604b)

---
updated-dependencies:
- dependency-name: docker/metadata-action
  dependency-version: 5.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/push_latest.yml

@@ -126,7 +126,7 @@ jobs:
                           && echo true || echo false)" >> $GITHUB_OUTPUT
     - name: Get stage1 docker metadata
       id: get_stage1_metadata
-      uses: docker/metadata-action@c1e51972afc2121e065aed6d45c65596fe445f3f
+      uses: docker/metadata-action@318604b99e75e41977312d83839a89be02ca4893
       with:
         images: |
           ghcr.io/mamba-org/micromamba-cache/stage1
@@ -135,7 +135,7 @@ jobs:
             type=raw,value=${{ steps.set_image_variables.outputs.tag }}
     - name: Get docker metadata
       id: get_metadata
-      uses: docker/metadata-action@c1e51972afc2121e065aed6d45c65596fe445f3f
+      uses: docker/metadata-action@318604b99e75e41977312d83839a89be02ca4893
       with:
         images: |
           mambaorg/micromamba