docs: Add minimal requirements check in build.sh (#16957)
docs: Add minimal requirements check in build.sh (#16957)

Signed-off-by: Ryan Northey <ea3cd978650417470535f3a4725b6b5042a6ab59@synca.io>

Commit Message: docs: Add minimal requirements check in build.sh
Additional Description:

if either bazel or jq are not available then the script will not succeed so bail early and notify user

Risk Level:
Testing:
Docs Changes:
Release Notes:
Platform Specific Features:
envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,lyft/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,lyft/envoy,envoyproxy/envoy,lyft/envoy,envoyproxy/envoy,lyft/envoy,envoyproxy/envoy,lyft/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,lyft/envoy