Merge pull request #4021 from Unidata/dependabot-github_actions-dot-github-actions-install-conda-mamba-org-setup-micromamba-3.0.0

CI: (deps): Bump mamba-org/setup-micromamba from 2.0.7 to 3.0.0 in /.github/actions/install-conda

Author: dopplershift

.github/actions/install-conda/action.yml

@@ -16,7 +16,7 @@ runs:
   using: composite
   steps:
     - name: Set up Python ${{ inputs.python-version }}
-      uses: mamba-org/setup-micromamba@add3a49764cedee8ee24e82dfde87f5bc2914462 # v2.0.7
+      uses: mamba-org/setup-micromamba@d7c9bd84e824b79d2af72a2d4196c7f4300d3476 # v3.0.0
       with:
         # Name is needed for caching
         environment-name: CI