bazel: Add `API_VERSION` to `@envoy_repo` repository rule (#21779)
bazel: Add `API_VERSION` to `@envoy_repo` repository rule (#21779)

this make it easier to use the api version in python jobs

Signed-off-by: Ryan Northey <ea3cd978650417470535f3a4725b6b5042a6ab59@synca.io>
envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy