Increase crash integration test sharding as it takes a long time under (#20453)
Increase crash integration test sharding as it takes a long time under (#20453)

coverage.

Signed-off-by: Kevin Baichoo <5e3f8f6a4edd970b0b20f0f06451154a9b859394@google.com>
envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy,envoyproxy/envoy