Bump mamba-org/setup-micromamba from 1 to 2

Bumps [mamba-org/setup-micromamba](https://github.com/mamba-org/setup-micromamba) from 1 to 2.
- [Release notes](https://github.com/mamba-org/setup-micromamba/releases)
- [Commits](mamba-org/setup-micromamba@v1...v2)

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

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

.github/workflows/CI.yml

@@ -74,7 +74,7 @@ jobs:
           fi
 
       - name: Install environment with ${{ env.JOBNAME }}
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: devtools/conda-envs/${{ env.ENVFILE }}.yaml
           create-args: >-

.github/workflows/beta_rc.yaml

@@ -32,7 +32,7 @@ jobs:
           fetch-depth: 2
 
       - name: Install environment with ${{ env.JOBNAME }}
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: devtools/conda-envs/test_env.yaml
           condarc: |

.github/workflows/conda.yml

@@ -35,7 +35,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Vanilla install from conda
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v2
         if: ${{ matrix.openeye == 'false' }}
         with:
           environment-file: devtools/conda-envs/conda.yaml
@@ -46,7 +46,7 @@ jobs:
           # pin to latest 1.x release
           micromamba-version: "1.5.10-0"
       - name: Install from conda with OpenEye
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v2
         if: ${{ matrix.openeye == 'true' }}
         with:
           environment-file: devtools/conda-envs/conda_oe.yaml

.github/workflows/examples.yml

@@ -60,7 +60,7 @@ jobs:
           fi
 
       - name: Install conda environment with ${{ env.ENVFILE }}
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: devtools/conda-envs/${{env.ENVFILE}}-examples.yaml
           create-args: >-

.github/workflows/installer.yml

@@ -23,7 +23,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Install conda environment
-      uses: mamba-org/setup-micromamba@v1
+      uses: mamba-org/setup-micromamba@v2
       with:
         micromamba-version: '1.5.10-0'
         environment-file: devtools/conda-envs/installer.yaml