Deploy Contour's Envoy as a Deployment

[dprotaso]

I think overall this is more flexible than a daemonset

[knative-prow]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.69%. Comparing base (cd525ad) to head (cd1a705).
Report is 32 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #704      +/-   ##
==========================================
+ Coverage   66.97%   76.69%   +9.71%     
==========================================
  Files          15       16       +1     
  Lines         863     1197     +334     
==========================================
+ Hits          578      918     +340     
+ Misses        254      234      -20     
- Partials       31       45      +14     

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[izabelacg]

/lgtm

[dprotaso]

/override "Generate some code!"
/override "style / suggester / shell"
/override "style / suggester / yaml"
/override "style / suggester / github_actions"
/override "style / Golang"

Workaround for prow merging being broken - knative/infra#411

[knative-prow]

@dprotaso: Overrode contexts on behalf of dprotaso: Generate some code!, style / Golang, style / suggester / github_actions, style / suggester / shell, style / suggester / yaml

In response to this:

/override "Generate some code!"
/override "style / suggester / shell"
/override "style / suggester / yaml"
/override "style / suggester / github_actions"
/override "style / Golang"

Workaround for prow merging being broken - knative/infra#411

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