Moved linting to separate workflow

Author: EvertBunschoten

.github/workflows/linting.yml

@@ -0,0 +1,22 @@
+name: Linting
+
+on:
+  pull_request:
+    branches:
+      - 'develop'
+
+jobs:
+    Whitespaces:
+        name: Check trailing whitespaces
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v4
+            - name: Set up Python
+              uses: actions/setup-python@v5
+              with:
+                python-version: '3.13'
+            - name: Install Ruff
+              run: pip install ruff 
+            - name: Trailing whitespaces
+              run: ruff check --select=W291

.github/workflows/regression.yml

@@ -53,19 +53,4 @@ jobs:
         uses: docker://ghcr.io/su2code/su2_dataminer_test:v2
         with:
           entrypoint: /bin/rm 
-          args: -rf src/
-
-  Neatness:
-    name: Check formatting
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.13'
-      - name: Install Ruff
-        run: pip install ruff
-      - name: Run Ruff
-        run: ruff check --select=W291
+          args: -rf src/