Bump pyupgrade from 2.14.0 to 2.15.0 (#40)

* Bump pyupgrade from 2.14.0 to 2.15.0

Bumps [pyupgrade](https://github.com/asottile/pyupgrade) from 2.14.0 to 2.15.0.
- [Release notes](https://github.com/asottile/pyupgrade/releases)
- [Commits](asottile/pyupgrade@v2.14.0...v2.15.0)

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

* Update pre-commit-config

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com>

Author: dependabot[bot]

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/asottile/pyupgrade
-    rev: v2.14.0
+    rev: v2.15.0
     hooks:
       - id: pyupgrade
         args: [--py38-plus]

requirements.txt

@@ -1,5 +1,5 @@
 aiofiles==0.6.0
 autoflake==1.4
 isort==5.8.0
-pyupgrade==2.14.0
+pyupgrade==2.15.0
 reorder-python-imports==2.5.0

requirements_test_pre_commit.txt

@@ -1,3 +1,3 @@
 flake8==3.9.2
 isort==5.8.0
-pyupgrade==2.14.0
+pyupgrade==2.15.0