Fix reload when a configmap changes

[aledbf]

What this PR does / why we need it:

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #4585

Special notes for your reviewer:

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@9b66f2a). Click here to learn what that means.
The diff coverage is 17.94%.

@@            Coverage Diff            @@
##             master    #4586   +/-   ##
=========================================
  Coverage          ?   58.42%           
=========================================
  Files             ?       88           
  Lines             ?     6708           
  Branches          ?        0           
=========================================
  Hits              ?     3919           
  Misses            ?     2355           
  Partials          ?      434

Impacted Files	Coverage Δ
internal/ingress/annotations/parser/main.go	74.19% <0%> (ø)
internal/ingress/controller/store/store.go	58.64% <21.87%> (ø)

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[aledbf]

/retest

[ElvinEfendi]

@aledbf I think e2e test would be straightforward to include in this PR.

[ElvinEfendi]

/lgtm

since this is blocking another PR, we can add e2e test later

[ElvinEfendi]

/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aledbf, ElvinEfendi

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