Bump py from 1.9.0 to 1.10.0

Bumps [py](https://github.com/pytest-dev/py) from 1.9.0 to 1.10.0.
- [Release notes](https://github.com/pytest-dev/py/releases)
- [Changelog](https://github.com/pytest-dev/py/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/py@1.9.0...1.10.0)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements-dev.txt

@@ -4,37 +4,103 @@
 #
 #    pip-compile requirements-dev.in
 #
-appdirs==1.4.4            # via black, virtualenv
-astroid==2.4.2            # via pylint
-attrs==20.2.0             # via flake8-bugbear, pytest
-black==20.8b1             # via -r requirements-dev.in
-click==7.1.2              # via black
-coverage==5.3             # via pytest-cov
-distlib==0.3.1            # via virtualenv
-filelock==3.0.12          # via tox, virtualenv
-flake8-bugbear==20.1.4    # via -r requirements-dev.in
-flake8==3.8.4             # via -r requirements-dev.in, flake8-bugbear
-iniconfig==1.0.1          # via pytest
-isort==5.6.3              # via pylint
-lazy-object-proxy==1.4.3  # via astroid
-mccabe==0.6.1             # via flake8, pylint
-mypy-extensions==0.4.3    # via black, mypy
-mypy==0.790               # via -r requirements-dev.in
-packaging==20.4           # via pytest, tox
-pathspec==0.8.0           # via black
-pluggy==0.13.1            # via pytest, tox
-py==1.9.0                 # via pytest, tox
-pycodestyle==2.6.0        # via flake8
-pyflakes==2.2.0           # via flake8
-pylint==2.6.0             # via -r requirements-dev.in
-pyparsing==2.4.7          # via packaging
-pytest-cov==2.10.1        # via -r requirements-dev.in
-pytest==6.1.1             # via -r requirements-dev.in, pytest-cov
-regex==2020.10.11         # via black
-six==1.15.0               # via astroid, packaging, tox, virtualenv
-toml==0.10.1              # via black, pylint, pytest, tox
-tox==3.20.1               # via -r requirements-dev.in
-typed-ast==1.4.1          # via black, mypy
-typing-extensions==3.7.4.3  # via black, mypy
-virtualenv==20.0.34       # via tox
-wrapt==1.12.1             # via astroid
+appdirs==1.4.4
+    # via
+    #   black
+    #   virtualenv
+astroid==2.4.2
+    # via pylint
+attrs==20.2.0
+    # via
+    #   flake8-bugbear
+    #   pytest
+black==20.8b1
+    # via -r requirements-dev.in
+click==7.1.2
+    # via black
+coverage==5.3
+    # via pytest-cov
+distlib==0.3.1
+    # via virtualenv
+filelock==3.0.12
+    # via
+    #   tox
+    #   virtualenv
+flake8==3.8.4
+    # via
+    #   -r requirements-dev.in
+    #   flake8-bugbear
+flake8-bugbear==20.1.4
+    # via -r requirements-dev.in
+iniconfig==1.0.1
+    # via pytest
+isort==5.6.3
+    # via pylint
+lazy-object-proxy==1.4.3
+    # via astroid
+mccabe==0.6.1
+    # via
+    #   flake8
+    #   pylint
+mypy==0.790
+    # via -r requirements-dev.in
+mypy-extensions==0.4.3
+    # via
+    #   black
+    #   mypy
+packaging==20.4
+    # via
+    #   pytest
+    #   tox
+pathspec==0.8.0
+    # via black
+pluggy==0.13.1
+    # via
+    #   pytest
+    #   tox
+py==1.10.0
+    # via
+    #   pytest
+    #   tox
+pycodestyle==2.6.0
+    # via flake8
+pyflakes==2.2.0
+    # via flake8
+pylint==2.6.0
+    # via -r requirements-dev.in
+pyparsing==2.4.7
+    # via packaging
+pytest==6.1.1
+    # via
+    #   -r requirements-dev.in
+    #   pytest-cov
+pytest-cov==2.10.1
+    # via -r requirements-dev.in
+regex==2020.10.11
+    # via black
+six==1.15.0
+    # via
+    #   astroid
+    #   packaging
+    #   tox
+    #   virtualenv
+toml==0.10.1
+    # via
+    #   black
+    #   pylint
+    #   pytest
+    #   tox
+tox==3.20.1
+    # via -r requirements-dev.in
+typed-ast==1.4.1
+    # via
+    #   black
+    #   mypy
+typing-extensions==3.7.4.3
+    # via
+    #   black
+    #   mypy
+virtualenv==20.0.34
+    # via tox
+wrapt==1.12.1
+    # via astroid