[Security] Bump django from 1.10.4 to 1.11.29

Bumps [django](https://github.com/django/django) from 1.10.4 to 1.11.29. **This update includes security fixes.**
- [Release notes](https://github.com/django/django/releases)
- [Commits](django/django@1.10.4...1.11.29)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

requirements.txt

@@ -6,19 +6,20 @@
 #
 certifi==2018.11.29       # via requests
 chardet==3.0.4            # via requests
-django-amber==0.8.0
+django-amber==0.8.0       # via -r requirements.in
 django-appconf==1.0.2     # via django-compressor
-django-dotenv==1.4.2
-django-markdown-deux==1.0.5
-django==1.10.4
-django_compressor==2.2
+django-compressor==2.2    # via -r requirements.in
+django-dotenv==1.4.2      # via -r requirements.in
+django-markdown-deux==1.0.5  # via -r requirements.in
+django==1.11.29           # via -r requirements.in, django-amber
 http-crawler==0.1.2       # via django-amber
 idna==2.8                 # via requests
 lxml==3.7.1               # via http-crawler
 markdown2==2.3.7          # via django-markdown-deux
+pytz==2020.1              # via django
 pyyaml==3.12              # via django-amber
 rcssmin==1.0.6            # via django-compressor
-requests==2.21.0
+requests==2.21.0          # via -r requirements.in, django-amber, http-crawler
 rjsmin==1.0.12            # via django-compressor
 tinycss2==0.5             # via http-crawler
 urllib3==1.24.1           # via requests