Bump pytest from 4.4.0 to 4.4.1 (#4893)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 4.4.0 to 4.4.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/4.4.0...4.4.1)

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

requirements/dev.txt

@@ -1,8 +1,8 @@
 # Dependencies needed only for development/testing.
 
-pytest==4.4.0 \
-    --hash=sha256:13c5e9fb5ec5179995e9357111ab089af350d788cbc944c628f3cde72285809b \
-    --hash=sha256:f21d2f1fb8200830dcbb5d8ec466a9c9120e20d8b53c7585d180125cce1d297a
+pytest==4.4.1 \
+    --hash=sha256:3773f4c235918987d51daf1db66d51c99fac654c81d6f2f709a046ab446d5e5d \
+    --hash=sha256:b7802283b70ca24d7119b32915efa7c409982f59913c1a6c0640aacf118b95f5
 
 django-debug-toolbar==1.11 \
     --hash=sha256:c2b0134119a624f4ac9398b44f8e28a01c7686ac350a12a74793f3dd57a9eea0 \