[deps] Update django-cache-memoize requirement from ~=0.1.0 to ~=0.2.0

---
updated-dependencies:
- dependency-name: django-cache-memoize
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -12,7 +12,7 @@ openwisp-ipam @ https://github.com/openwisp/openwisp-ipam/tarball/master
 djangorestframework-gis~=0.18.0
 paramiko[ed25519]~=3.4.0
 scp~=0.15.0
-django-cache-memoize~=0.1.0
+django-cache-memoize~=0.2.0
 shortuuid~=1.0.13
 netaddr~=1.3.0
 django-import-export~=3.3.0