(release-1.18) Envoy: add envoy-admin volume, update to 1.19.1 (#430)

[skriss]

Cherry-pick of #430:

Adds the envoy-admin emptyDir volume to the Envoy daemon set and updates the Envoy version to 1.19.1 to match projectcontour/contour.

Signed-off-by: Steve Kriss krisss@vmware.com

[codecov[bot]]

Codecov Report

Merging #431 (85454b9) into release-1.18 (a709974) will decrease coverage by 0.19%. The diff coverage is 100.00%.

:exclamation: Current head 85454b9 differs from pull request most recent head f41c3fd. Consider uploading reports for the commit f41c3fd to get more accurate results

@@               Coverage Diff                @@
##           release-1.18     #431      +/-   ##
================================================
- Coverage         71.37%   71.17%   -0.20%     
================================================
  Files                35       35              
  Lines              2700     2713      +13     
================================================
+ Hits               1927     1931       +4     
- Misses              630      635       +5     
- Partials            143      147       +4     

Impacted Files	Coverage Δ
internal/config/config.go	100.00% <ø> (ø)
internal/objects/daemonset/daemonset.go	94.28% <100.00%> (+0.27%)	:arrow_up:
internal/objects/contour/finalizer.go	62.50% <0.00%> (-18.75%)	:arrow_down:
internal/objects/gateway/gateway.go	32.75% <0.00%> (-3.45%)	:arrow_down:
internal/objects/contour/contour.go	80.23% <0.00%> (-2.33%)	:arrow_down:
internal/controller/contour/controller.go	57.14% <0.00%> (-1.30%)	:arrow_down:

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[skriss]

Hmm, codegen failing because it's trying to pull Contour's main CRD YAML (which has changed). It should be looking at 1.18 YAML (which hasn't changed). Can ignore for now and follow up with a fix, I think.