Bump mem and @patternfly/quickstarts

Removes [mem](https://github.com/sindresorhus/mem). It's no longer used after updating ancestor dependency [@patternfly/quickstarts](https://github.com/patternfly/patternfly-quickstarts). These dependencies need to be updated together.


Removes `mem`

Updates `@patternfly/quickstarts` from 5.0.0 to 5.1.0
- [Release notes](https://github.com/patternfly/patternfly-quickstarts/releases)
- [Commits](patternfly/patternfly-quickstarts@v5.0.0...v5.1.0)

---
updated-dependencies:
- dependency-name: mem
  dependency-type: indirect
- dependency-name: "@patternfly/quickstarts"
  dependency-type: direct:production
...

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