chore: Update dependency pygments to v2.15.0 [SECURITY]

Author: renovate[bot]

setup.py

@@ -50,7 +50,7 @@
         'jinja2==3.1.2',
         'markdown==3.4.1',
         'markupsafe==2.1.1',
-        'pygments==2.13.0',
+        'pygments==2.15.0',
         'pymdown-extensions==9.7',
         'pyscss==1.4.0',
         'pyyaml==6.0.1',