Add support for Istio load balancer settings

[somtochiama]

Closes #997
Closes #996

Signed-off-by: Somtochi Onyekwere somtochionyekwere@gmail.com

[codecov-commenter]

Codecov Report

Merging #1016 (4fe2679) into main (b57d393) will decrease coverage by 0.09%.
The diff coverage is n/a.

❗ Current head 4fe2679 differs from pull request most recent head 5245045. Consider uploading reports for the commit 5245045 to get more accurate results

@@            Coverage Diff             @@
##             main    #1016      +/-   ##
==========================================
- Coverage   56.95%   56.85%   -0.10%     
==========================================
  Files          76       75       -1     
  Lines        6093     6024      -69     
==========================================
- Hits         3470     3425      -45     
+ Misses       2098     2086      -12     
+ Partials      525      513      -12     

Impacted Files	Coverage Δ
pkg/canary/config_tracker.go	83.40% <0.00%> (-0.90%)	⬇️
pkg/controller/scheduler_metrics.go	35.44% <0.00%> (-0.34%)	⬇️
pkg/metrics/providers/factory.go	0.00% <0.00%> (ø)
pkg/metrics/providers/dynatrace.go

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[stefanprodan]

LGTM

Thanks @somtochiama