Merge pull request pallets-eco#898 from pallets/dependabot/pip/pip-tools-5.5.0

Author: dependabot-preview[bot]

requirements/dev.txt

@@ -26,7 +26,7 @@ mock==4.0.3               # via -r requirements/tests.in
 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==5.4.0          # via -r requirements/dev.in
+pip-tools==5.5.0          # via -r requirements/dev.in
 pluggy==0.13.1            # via pytest, tox
 pre-commit==2.9.3         # via -r requirements/dev.in
 py==1.9.0                 # via pytest, tox
@@ -36,7 +36,7 @@ pytest==6.2.1             # via -r requirements/tests.in
 pytz==2020.1              # via babel
 pyyaml==5.3.1             # via pre-commit
 requests==2.23.0          # via sphinx
-six==1.15.0               # via packaging, pip-tools, tox, virtualenv
+six==1.15.0               # via packaging, tox, virtualenv
 snowballstemmer==2.0.0    # via sphinx
 sphinx-issues==1.2.0      # via -r requirements/docs.in
 sphinx==3.3.1             # via -r requirements/docs.in, pallets-sphinx-themes, sphinx-issues, sphinxcontrib-log-cabinet