chore: bump conda-incubator/setup-miniconda from v1.7.0 to v2 (#65)

* Bump conda-incubator/setup-miniconda from v1.7.0 to v2

Bumps [conda-incubator/setup-miniconda](https://github.com/conda-incubator/setup-miniconda) from v1.7.0 to v2.
- [Release notes](https://github.com/conda-incubator/setup-miniconda/releases)
- [Changelog](https://github.com/conda-incubator/setup-miniconda/blob/master/CHANGELOG.md)
- [Commits](https://github.com/conda-incubator/setup-miniconda/compare/v1.7.0...11ae174708d1ae769b9457e7d6ed64d606c99af1)

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

* fix: minor simplification and avoid a warning

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com>

.github/workflows/conda.yml

@@ -26,11 +26,10 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Get conda
-        uses: conda-incubator/setup-miniconda@v1.7.0
+        uses: conda-incubator/setup-miniconda@v2
         with:
           python-version: ${{ matrix.python-version }}
-          channels: conda-forge,defaults
-          channel-priority: strict
+          channels: conda-forge
           
       - name: Prepare
         run: conda install conda-build conda-verify