Bump nginx from 1.21.0 to 1.21.1 in /build (#1729)
Bump nginx from 1.21.0 to 1.21.1 in /build (#1729)

Bumps nginx from 1.21.0 to 1.21.1.

---
updated-dependencies:
- dependency-name: nginx
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
nginxinc/kubernetes-ingress,nginxinc/kubernetes-ingress,nginxinc/kubernetes-ingress,nginxinc/kubernetes-ingress