Bump easyprocess from 0.2.3 to 0.3 in /cvat/requirements (#1763)

Bumps [easyprocess](https://github.com/ponty/easyprocess) from 0.2.3 to 0.3.
- [Release notes](https://github.com/ponty/easyprocess/releases)
- [Commits](https://github.com/ponty/easyprocess/compare/0.2.3...0.3)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

cvat/requirements/base.txt

@@ -5,7 +5,7 @@ django-auth-ldap==2.2.0
 django-cacheops==5.0
 django-compressor==2.4
 django-rq==2.0.0
-EasyProcess==0.2.3
+EasyProcess==0.3
 Pillow==7.1.2
 numpy==1.18.5
 python-ldap==3.2.0