Bump reportlab from 3.3.0 to 3.5.55 (#72)

Bumps [reportlab](http://www.reportlab.com/) from 3.3.0 to 3.5.55.

---
updated-dependencies:
- dependency-name: reportlab
  dependency-type: direct:production
...

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

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

requirements.txt

@@ -1,4 +1,4 @@
-reportlab==3.3.0
+reportlab==3.5.55
 requests==2.20.0
 pytz==2021.3
 Babel==2.9.1

setup.py

@@ -37,7 +37,7 @@ def run(self):
     setup_requires=['Babel'],
     cmdclass={'sdist': SdistI18n},
     install_requires=[
-        'reportlab==3.3.0',
+        'reportlab==3.5.55',
         'requests==2.20.0',
         'Babel==2.9.1',
         'pytz==2021.3',