Copy pod labels from canary to primary

[stefanprodan]

Fix: #104

[codecov-io]

Codecov Report

Merging #105 into master will increase coverage by 0.1%.
The diff coverage is 81.81%.

@@            Coverage Diff            @@
##           master     #105     +/-   ##
=========================================
+ Coverage   56.46%   56.57%   +0.1%     
=========================================
  Files          16       16             
  Lines        1801     1810      +9     
=========================================
+ Hits         1017     1024      +7     
- Misses        626      627      +1     
- Partials      158      159      +1

Impacted Files	Coverage Δ
pkg/router/kubernetes.go	90.47% <100%> (ø)	⬆️
pkg/controller/deployer.go	58.45% <80%> (+0.53%)	⬆️

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