CI: Use ubuntu-slim in lightweight workflows

.github/workflows/cache_data.yaml

@@ -30,7 +30,7 @@ permissions: {}
 jobs:
   gmt_cache:
     name: Cache GMT artifacts
-    runs-on: macos-latest
+    runs-on: macos-slim
     defaults:
       run:
         shell: bash -l {0}

.github/workflows/cache_dvc.yaml

@@ -28,7 +28,7 @@ permissions: {}
 jobs:
   dvc_cache:
     name: Cache DVC baseline images
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     defaults:
       run:
         shell: bash -l {0}

.github/workflows/check-links.yml

@@ -21,7 +21,7 @@ permissions:
 jobs:
   check_links:
     name: Check Links
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     if: github.repository == 'GenericMappingTools/pygmt'
 
     steps:

.github/workflows/dvc-diff.yml

@@ -21,7 +21,7 @@ permissions:
 jobs:
   dvc-diff:
     name: DVC image diff
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
 
     steps:
     - name: Checkout

.github/workflows/format-command.yml

@@ -14,7 +14,7 @@ jobs:
   format:
     permissions:
       contents: write # for Git to git push
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       # Generate token from GenericMappingTools bot
       - uses: actions/create-github-app-token@v3.0.0

.github/workflows/release-baseline-images.yml

@@ -14,7 +14,7 @@ on:
 jobs:
   upload-baseline:
     name: Upload baseline images
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     if: github.repository == 'GenericMappingTools/pygmt'
 
     permissions:

.github/workflows/slash-command-dispatch.yml

@@ -18,7 +18,7 @@ jobs:
       contents: write # for executing the repository_dispatch event
       pull-requests: write # for peter-evans/slash-command-dispatch to create PR reaction
     if: ${{ github.event.issue.pull_request }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - name: Slash Command Dispatch
         uses: peter-evans/slash-command-dispatch@9bdcd7914ec1b75590b790b844aa3b8eee7c683a # v5.0.2

.github/workflows/style_checks.yaml

@@ -21,7 +21,7 @@ permissions: {}
 jobs:
   style_check:
     name: Style Checks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
 
     steps:
       # Checkout current git repository

.github/workflows/type_checks.yml

@@ -30,7 +30,7 @@ permissions: {}
 jobs:
   static_check:
     name: Static Type Check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
 
     steps:
       # Checkout current git repository

.github/workflows/welcome.yml

@@ -22,7 +22,7 @@ jobs:
   greeting:
     name: Greet First-Time Contributors
     if: github.event_name == 'issues' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != github.repository)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
 
     steps:
       - uses: actions/first-interaction@v3.1.0