Bump mamba-org/setup-micromamba from 1.8.1 to 1.9.0

Bumps [mamba-org/setup-micromamba](https://github.com/mamba-org/setup-micromamba) from 1.8.1 to 1.9.0.
- [Release notes](https://github.com/mamba-org/setup-micromamba/releases)
- [Commits](mamba-org/setup-micromamba@4225001...f8b8a1e)

---
updated-dependencies:
- dependency-name: mamba-org/setup-micromamba
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/main.yml

@@ -83,7 +83,7 @@ jobs:
       - name: Checkout Repository
         uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
       - name: Setup Conda (Micromamba) with Python ${{ matrix.python-version }}
-        uses: mamba-org/setup-micromamba@422500192359a097648154e8db4e39bdb6c6eed7 # v1.8.1
+        uses: mamba-org/setup-micromamba@f8b8a1e23a26f60a44c853292711bacfd3eac822 # v1.9.0
         with:
           cache-downloads: true
           environment-name: xscen-pypi
@@ -152,7 +152,7 @@ jobs:
       - name: Checkout Repository
         uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
       - name: Setup Conda (Micromamba) with Python ${{ matrix.python-version }}
-        uses: mamba-org/setup-micromamba@422500192359a097648154e8db4e39bdb6c6eed7 # v1.8.1
+        uses: mamba-org/setup-micromamba@f8b8a1e23a26f60a44c853292711bacfd3eac822 # v1.9.0
         with:
           cache-downloads: true
           cache-environment: true

.github/workflows/upstream.yml

@@ -50,7 +50,7 @@ jobs:
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
       - name: Setup Conda (Micromamba) with Python${{ matrix.python-version }}
-        uses: mamba-org/setup-micromamba@422500192359a097648154e8db4e39bdb6c6eed7 # v1.8.1
+        uses: mamba-org/setup-micromamba@f8b8a1e23a26f60a44c853292711bacfd3eac822 # v1.9.0
         with:
           cache-downloads: true
           cache-environment: true