chore: Fix changed_files matrix calculation

Author: Junkern

.github/workflows/acc-test.yaml

@@ -52,7 +52,14 @@ jobs:
           import re
           from pathlib import Path
 
-          files = [f.strip().lstrip('./') for f in os.environ.get('CHANGED_FILES', '').splitlines() if f.strip()]
+          files = []
+          for f in os.environ.get('CHANGED_FILES', '').splitlines():
+            f = f.strip()
+            if not f:
+              continue
+            if f.startswith('./'):
+              f = f[2:]
+            files.append(f)
 
           def snake_to_camel(s: str) -> str:
             return ''.join(part[:1].upper() + part[1:] for part in s.split('_') if part)
@@ -84,8 +91,13 @@ jobs:
             return 'TestAccDocker' + snake_to_camel(base)
 
           go_mod_changed = any(f in {'go.mod', 'go.sum'} for f in files)
+          workflow_changed = any(
+            f.startswith('.github/workflows/') or f.startswith('github/workflows/')
+            for f in files
+          )
           go_files = [f for f in files if f.endswith('.go')]
-          if not go_files and not go_mod_changed:
+
+          if not go_files and not go_mod_changed and not workflow_changed:
             should_run = False
             selected = []
           else:
@@ -122,7 +134,7 @@ jobs:
               'TestAccDockerVolume',
             ]
 
-            if other_go_change or go_mod_changed:
+            if workflow_changed or other_go_change or go_mod_changed:
               selected = full_matrix_prefixes
               should_run = True
             else: