Typo fix: successfull->successful

[AdamDang]

Line 47&56: successfull->successful

[AdamDang]

/assign @caseydavenport

[codecov-io]

Codecov Report

Merging #2595 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2595   +/-   ##
=======================================
  Coverage   40.54%   40.54%           
=======================================
  Files          75       75           
  Lines        5106     5106           
=======================================
  Hits         2070     2070           
  Misses       2755     2755           
  Partials      281      281

Impacted Files	Coverage Δ
internal/ingress/controller/metrics.go	27.27% <ø> (ø)	⬆️

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[aledbf]

@AdamDang please don't assign PRs manually

[aledbf]

/lgtm
/approve

[aledbf]

@AdamDang thanks!

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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