"Update ruff pre-commit hook

"

Author: FoamyGuy

.pre-commit-config.yaml

@@ -10,7 +10,7 @@ repos:
       - id: end-of-file-fixer
       - id: trailing-whitespace
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.3.4
+    rev: v0.15.8
     hooks:
       - id: ruff-format
       - id: ruff

examples/httpserver_cookies.py

@@ -34,14 +34,14 @@ def themed_template(user_preferred_theme: str):
             <title>Cookie Example</title>
             <style>
                 body {{
-                    background-color: {theme['background-color']};
-                    color: {theme['color']};
+                    background-color: {theme["background-color"]};
+                    color: {theme["color"]};
                 }}
 
                 button {{
-                    background-color: {theme['button-color']};
-                    color: {theme['color']};
-                    border: 1px solid {theme['color']};
+                    background-color: {theme["button-color"]};
+                    color: {theme["color"]};
+                    border: 1px solid {theme["color"]};
                     padding: 10px;
                     margin: 10px;
                 }}