[pre-commit.ci] pre-commit autoupdate (#626)

* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.15.18 → v0.15.20](astral-sh/ruff-pre-commit@v0.15.18...v0.15.20)

* move ghostscript & imagemagick install to conda

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Bryna Hazelton <bryna.hazelton@gmail.com>

Author: pre-commit-ci[bot]

.github/workflows/testsuite.yaml

@@ -41,17 +41,6 @@ jobs:
           fetch-depth: 0
           persist-credentials: false
 
-      - name: Install Ghostscript on Mac
-        if: matrix.os == 'macos-latest'
-        run: |
-          brew install ghostscript
-
-      - name: Install ImageMagick
-        if: matrix.os != 'windows-latest'
-        uses: mfinelli/setup-imagemagick@e5a049b136cb833d5c0474b38d166f0bdb0e4497 # v7.0.1
-        with:
-          cache: False
-
       - name: Setup Miniforge
         uses: conda-incubator/setup-miniconda@8ee1f361103df19b6f8c8655fd3967a8ecb162d5 # v4.0.1
         with:

.pre-commit-config.yaml

@@ -17,7 +17,7 @@ repos:
           args: ['--fix=no']
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.15.18
+    rev: v0.15.20
     hooks:
       - id: ruff
       - id: ruff-format

ci/pyuvsim_tests_mpich.yaml

@@ -5,6 +5,8 @@ dependencies:
   - astropy>=6.0
   - astropy-healpix>=1.0.2
   - coverage
+  - ghostscript
+  - imagemagick
   - line_profiler
   - matplotlib>=3.6.*
   - mpich<5.0  # pin added 2/2026 due to CI seg faults

ci/pyuvsim_tests_openmpi.yaml

@@ -5,6 +5,8 @@ dependencies:
   - astropy>=6.0
   - astropy-healpix>=1.0.2
   - coverage
+  - ghostscript
+  - imagemagick
   - line_profiler
   - matplotlib>=3.6.*
   - mpi4py>=3.1.3