Bump reportlab from 4.4.5 to 4.4.6

Bumps [reportlab](https://www.reportlab.com/) from 4.4.5 to 4.4.6.

---
updated-dependencies:
- dependency-name: reportlab
  dependency-version: 4.4.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -331,7 +331,7 @@ referencing==0.37.0
     # via
     #   jsonschema
     #   jsonschema-specifications
-reportlab==4.4.5
+reportlab==4.4.6
     # via
     #   easy-thumbnails
     #   svglib