Bump django-debug-toolbar from 1.11 to 2.0 (#5082)

Bumps [django-debug-toolbar](https://github.com/jazzband/django-debug-toolbar) from 1.11 to 2.0.
- [Release notes](https://github.com/jazzband/django-debug-toolbar/releases)
- [Changelog](https://github.com/jazzband/django-debug-toolbar/blob/master/docs/changes.rst)
- [Commits](https://github.com/jazzband/django-debug-toolbar/compare/1.11...2.0)

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

requirements/dev.txt

@@ -4,9 +4,9 @@ pytest==4.4.1 \
     --hash=sha256:3773f4c235918987d51daf1db66d51c99fac654c81d6f2f709a046ab446d5e5d \
     --hash=sha256:b7802283b70ca24d7119b32915efa7c409982f59913c1a6c0640aacf118b95f5
 
-django-debug-toolbar==1.11 \
-    --hash=sha256:c2b0134119a624f4ac9398b44f8e28a01c7686ac350a12a74793f3dd57a9eea0 \
-    --hash=sha256:89d75b60c65db363fb24688d977e5fbf0e73386c67acf562d278402a10fc3736
+django-debug-toolbar==2.0 \
+    --hash=sha256:9a23ada2e43cd989195db3c18710b5d7451134a0d48127ab64c1d2ad81700342 \
+    --hash=sha256:17c53cd6bf4e7d69902aedf9a1d26c5d3b7369b54c5718744704f27b5a72f35d
 
 mock==3.0.5 --hash=sha256:d157e52d4e5b938c550f39eb2fd15610db062441a9c2747d3dbfa9298211d0f8 --hash=sha256:83657d894c90d5681d62155c82bda9c1187827525880eda8ff5df4ec813437c3