Fix linter error in CircleCI

Author: flodolo

.github/fluent_linter_config.yml

@@ -8,17 +8,17 @@
 ---
 # Check brand names
 CO01:
-    enabled: true
-    brands:
-        - Firefox
-        - Mozilla
-        - Profiler
-    exclusions:
-        files: []
-        messages: []
+  enabled: true
+  brands:
+    - Firefox
+    - Mozilla
+    - Profiler
+  exclusions:
+    files: []
+    messages: []
 # Enforce variable comments
 VC:
-    disabled: false
+  disabled: false
 # Enforce placeholder style, e.g. { $variable }
 PS01:
-    disabled: false
+  disabled: false