add version implementation and output when starting the manager

[cpanato]

What this PR does / why we need it:

noticed that we don't expose a version for the manager, this PR add the version and output that when the manager start

/assign @prksu @timoreimann @MorrisLaw
/kind feature

will cherry pick that to the release-1.0 branch when merged

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer:

Documentation:

Release note:

add version implementation and output when starting the manager

[cpanato]

will output

I1121 16:18:53.443713   23652 logr.go:249] setup "msg"="starting manager"  "extended_info"={"major":"1","minor":"0","gitVersion":"v1.0.0-2-0914b868ffafc9-dirty","gitCommit":"0914b868ffafc91517acf159d603996dbb53f47c","gitTreeState":"dirty","buildDate":"2021-11-21T15:18:42Z","goVersion":"go1.17.3","compiler":"gc","platform":"darwin/amd64"} "version"="v1.0.0-2-0914b868ffafc9-dirty"

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cpanato, prksu

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[prksu]

/lgtm