Bump mem and @angular/compiler-cli (#123)

Bumps [mem](https://github.com/sindresorhus/mem) to 4.3.0 and updates ancestor dependency [@angular/compiler-cli](https://github.com/angular/angular/tree/HEAD/packages/compiler-cli). These dependencies need to be updated together.


Updates `mem` from 1.1.0 to 4.3.0
- [Release notes](https://github.com/sindresorhus/mem/releases)
- [Commits](sindresorhus/memoize@v1.1.0...v4.3.0)

Updates `@angular/compiler-cli` from 7.0.2 to 7.2.16
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/7.2.16/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/7.2.16/packages/compiler-cli)

---
updated-dependencies:
- dependency-name: mem
  dependency-type: indirect
- dependency-name: "@angular/compiler-cli"
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>