Bump s-weigand/setup-conda from 1.1.1 to 1.2.1

Bumps [s-weigand/setup-conda](https://github.com/s-weigand/setup-conda) from 1.1.1 to 1.2.1.
- [Release notes](https://github.com/s-weigand/setup-conda/releases)
- [Commits](s-weigand/setup-conda@v1.1.1...v1.2.1)

---
updated-dependencies:
- dependency-name: s-weigand/setup-conda
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/source.yml

@@ -36,7 +36,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v3
-    - uses: s-weigand/setup-conda@v1.1.1
+    - uses: s-weigand/setup-conda@v1.2.1
       with:
         update-conda: true
         conda-channels: conda-forge