Merge pull request pallets-eco#860 from pallets/dependabot/pip/pip-tools-5.3.0

Author: dependabot-preview[bot]

requirements/dev.txt

@@ -26,7 +26,7 @@ more-itertools==8.3.0     # via pytest
 nodeenv==1.3.5            # via pre-commit
 packaging==20.4           # via pallets-sphinx-themes, pytest, sphinx, tox
 pallets-sphinx-themes==1.2.3  # via -r requirements/docs.in
-pip-tools==5.2.1          # via -r requirements/dev.in
+pip-tools==5.3.0          # via -r requirements/dev.in
 pluggy==0.13.1            # via pytest, tox
 pre-commit==2.6.0         # via -r requirements/dev.in
 py==1.8.1                 # via pytest, tox