OCPBUGS-6731: Anonymize env vars from containers: HTTP_PROXY, HTTPS_PROXY (openshift#723)

* WIP draft overwriting env vars values

* Add unit test for env var obfuscation on container images gatherer

* Refactor obfuscate env vars functionality

* Fix obfusctation functionality and tests lint issues

* Move sensitive env vars obfuscation logic to anonymize utils package

* Add env vars obfuscation to pod recording

* Use assert library

* Add PR 723 Obfuscate HTTP_PROXY and HTTPS_PROXY

* Fix PR 723 type to bugfix

Author: ncaak

CHANGELOG.md

@@ -5,6 +5,9 @@
 ### Data Enhancement
 - [#741](https://github.com/openshift/insights-operator/pull/685) Gather openshift-monitoring persistent volumes
 
+### Bugfix
+- [#723](https://github.com/openshift/insights-operator/pull/723) Obfuscate HTTP_PROXY and HTTPS_PROXY env variables on containers
+
 ### Others
 - [#756](https://github.com/openshift/insights-operator/pull/756) add unit tests for cluster proxy gatherer