Update nginx with new modules

[aledbf]

What this PR does / why we need it:

Adds new nginx modules required for the new LUA load balancer.

Which issue this PR fixes:

fixes #2153

[k8s-reviewable]

This change is 

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aledbf

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[codecov-io]

Codecov Report

Merging #2155 into master will decrease coverage by 0.14%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2155      +/-   ##
==========================================
- Coverage   36.59%   36.44%   -0.15%     
==========================================
  Files          69       69              
  Lines        4875     4862      -13     
==========================================
- Hits         1784     1772      -12     
+ Misses       2821     2820       -1     
  Partials      270      270

Impacted Files	Coverage Δ
cmd/nginx/main.go	21.37% <0%> (-5.84%)	⬇️

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