Bump conda-incubator/setup-miniconda from 2 to 3

Bumps [conda-incubator/setup-miniconda](https://github.com/conda-incubator/setup-miniconda) from 2 to 3.
- [Release notes](https://github.com/conda-incubator/setup-miniconda/releases)
- [Changelog](https://github.com/conda-incubator/setup-miniconda/blob/main/CHANGELOG.md)
- [Commits](conda-incubator/setup-miniconda@v2...v3)

---
updated-dependencies:
- dependency-name: conda-incubator/setup-miniconda
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/compat_minimal.yml

@@ -35,7 +35,7 @@ jobs:
           fetch-depth: 0
       - run: ./tools/setup_xvfb.sh
         name: 'Setup xvfb'
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
           python-version: ${{ env.PYTHON_VERSION }}
         name: 'Setup conda'

.github/workflows/compat_old.yml

@@ -29,7 +29,7 @@ jobs:
       - uses: actions/checkout@v3
       - run: ./tools/setup_xvfb.sh
         name: 'Setup xvfb'
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
           python-version: ${{ env.PYTHON_VERSION }}
         name: 'Setup conda'

.github/workflows/linux_conda.yml

@@ -28,7 +28,7 @@ jobs:
       - uses: actions/checkout@v3
       - run: ./tools/setup_xvfb.sh
         name: 'Setup xvfb'
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
           activate-environment: 'mne'
           python-version: ${{ env.PYTHON_VERSION }}
@@ -84,7 +84,7 @@ jobs:
       PYTHON_VERSION: '3.8'
     steps:
       - uses: actions/checkout@v3
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
           activate-environment: 'mne'
           python-version: ${{ env.PYTHON_VERSION }}

.github/workflows/macos_conda.yml

@@ -26,7 +26,7 @@ jobs:
       CI_OS_NAME: 'osx'
     steps:
       - uses: actions/checkout@v3
-      - uses: conda-incubator/setup-miniconda@v2
+      - uses: conda-incubator/setup-miniconda@v3
         with:
           activate-environment: 'mne'
           python-version: ${{ env.PYTHON_VERSION }}