Change kpt deployer doc from Beta to Alpha

[yuwenma]

No description provided.

[nkubala]

actually, you need to update this here: https://github.com/GoogleContainerTools/skaffold/blob/master/pkg/skaffold/schema/latest/config.go#L450

then run make generate-schemas and commit that.

[yuwenma]

actually, you need to update this here: master/pkg/skaffold/schema/latest/config.go#L450

then run make generate-schemas and commit that.

ah, skaffold generates the user reference from the schema comment. like it!

[codecov]

Codecov Report

Merging #4728 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4728   +/-   ##
=======================================
  Coverage   73.45%   73.45%           
=======================================
  Files         343      343           
  Lines       13585    13585           
=======================================
  Hits         9979     9979           
  Misses       2982     2982           
  Partials      624      624           

Impacted Files	Coverage Δ
pkg/skaffold/schema/latest/config.go	100.00% <ø> (ø)

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