Bump lazy-object-proxy from 1.3.1 to 1.5.0 in /cvat/requirements (#1788)

Bumps [lazy-object-proxy](https://github.com/ionelmc/python-lazy-object-proxy) from 1.3.1 to 1.5.0.
- [Release notes](https://github.com/ionelmc/python-lazy-object-proxy/releases)
- [Changelog](https://github.com/ionelmc/python-lazy-object-proxy/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/ionelmc/python-lazy-object-proxy/compare/v1.3.1...v1.5.0)

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cvat/requirements/development.txt

@@ -1,7 +1,7 @@
 -r base.txt
 astroid==2.4.2
 isort==4.3.21
-lazy-object-proxy==1.3.1
+lazy-object-proxy==1.5.0
 mccabe==0.6.1
 pylint==2.5.3
 pylint-django==2.0.15