Makefile: fix directory not found error

[hectorj2f]

Signed-off-by: hectorj2f [email protected]

Summary

make policy-webhook was compiling a wrong directory. I also added the compilation of the policy-webhook binary to the cosigned target.

CGO_ENABLED=0 go build -trimpath -ldflags "-buildid= -X sigs.k8s.io/release-utils/version.gitVersion=v1.7.1-4-g9008111-dirty -X sigs.k8s.io/release-utils/version.gitCommit=9008111af46dda51d5336b1570d8bf5fe896a524 -X sigs.k8s.io/release-utils/version.gitTreeState="dirty" -X sigs.k8s.io/release-utils/version.buildDate=2022-04-05T18:38:00Z" -o policy-webhook ./cmd/cosign/policy-webhook
stat /Users/hectorj2f/sigstore/cosign/cmd/cosign/policy-webhook: directory not found

Ticket Link

Fixes

Release Note

[codecov-commenter]

Codecov Report

Merging #1718 (fbc56bc) into main (9008111) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1718   +/-   ##
=======================================
  Coverage   29.26%   29.26%           
=======================================
  Files         141      141           
  Lines        8503     8503           
=======================================
  Hits         2488     2488           
  Misses       5742     5742           
  Partials      273      273           

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[cpanato]

thanks!