build(deps): bump conda-incubator/setup-miniconda from 3 to 4

Bumps [conda-incubator/setup-miniconda](https://github.com/conda-incubator/setup-miniconda) from 3 to 4.
- [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@v3...v4)

---
updated-dependencies:
- dependency-name: conda-incubator/setup-miniconda
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/build.yml

@@ -72,7 +72,7 @@ jobs:
           GH_TOKEN: ${{ github.token }}
 
       - name: Setup conda (macOS)
-        uses: conda-incubator/setup-miniconda@v3
+        uses: conda-incubator/setup-miniconda@v4
         if: runner.os == 'macOS'
 
       - name: Install GMT dependencies

.github/workflows/docs.yml

@@ -66,7 +66,7 @@ jobs:
           GH_TOKEN: ${{ github.token }}
 
       - name: Setup conda (macOS)
-        uses: conda-incubator/setup-miniconda@v3
+        uses: conda-incubator/setup-miniconda@v4
         if: runner.os == 'macOS'
 
       - name: Install GMT dependencies

.github/workflows/tests.yml

@@ -70,7 +70,7 @@ jobs:
           GH_TOKEN: ${{ github.token }}
 
       - name: Setup conda
-        uses: conda-incubator/setup-miniconda@v3
+        uses: conda-incubator/setup-miniconda@v4
         if: runner.os == 'macOS'
 
       - name: Install GMT dependencies