chore: upgrade angular dependencies to v16

[valkanov]

BREAKING CHANGE: requires node 16+ and angular 16

Please check if the PR fulfills these requirements

• [X ] The commit message follows our guidelines: https://github.com/moribvndvs/ng2-idle/blob/master/CONTRIBUTING.md#pr
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (check one with "x")

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ X] Other: Update deps version

What is the current behavior? (You can also link to an open issue here)

What is the new behavior?

Does this PR introduce a breaking change? (check one with "x")

[X ] Yes
[ ] No

If this PR contains a breaking change, please describe the impact and migration path for existing applications: ...

Other information:

[grbsk]

Yeah, if you don’t mind.

[Eldorados]

@moribvndvs does this one look good now? Would be nice to have a v16 version out, thanks!

[alvaro450]

@moribvndvs is there anything we can do to help merge this PR?

Thank you for your support

[coveralls]

coverage: 100.0%. remained the same
when pulling 7637a19 on valkanov:update-to-angular-16
into 972e541 on moribvndvs:master.