gh-36497: lint.yml: Always run all 3 linters
    
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URL: #36497
Reported by: Matthias Köppe
Reviewer(s): Kwankyu Lee

Author: Release Manager

.github/workflows/lint.yml

@@ -33,13 +33,17 @@ jobs:
         python-version: 3.9
 
     - name: Install dependencies
-      run: pip install tox pycodestyle relint
+      id: deps
+      run: pip install tox
 
     - name: Code style check with pycodestyle
+      if: always() && steps.deps.outcome == 'success'
       run: tox -e pycodestyle-minimal
 
     - name: Code style check with relint
+      if: always() && steps.deps.outcome == 'success'
       run: tox -e relint -- src/sage/
 
     - name: Validate docstring markup as RST
+      if: always() && steps.deps.outcome == 'success'
       run: tox -e rst