Make ephemeralJob compatible with k8s version 1.20 & 1.21

[veophi]

Signed-off-by: mingzhou.swx mingzhou.swx@alibaba-inc.com

Ⅰ. Describe what this PR does

Make ephemeralJob compatible with k8s version 1.20 & 1.21

[codecov-commenter]

Codecov Report

Merging #1127 (c90f714) into master (7ed4966) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1127   +/-   ##
=======================================
  Coverage   49.47%   49.47%           
=======================================
  Files         137      137           
  Lines       19326    19326           
=======================================
  Hits         9561     9561           
  Misses       8714     8714           
  Partials     1051     1051           

Flag	Coverage Δ
unittests	49.47% <ø> (ø)

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[sonatype-lift]

goimports: File is not goimports-ed

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[zmberg]

/lgtm

[furykerry]

/lgtm

[furykerry]

/approve

[kruise-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: furykerry

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