ci: compile everything under /test in release CI (#2577)
ci: compile everything under /test in release CI (#2577)

This covers tools, benchmarks, etc. It will at least make sure
things don't get stale that aren't tests.

Signed-off-by: Matt Klein <684e4e870ef5a243d6d0345280f09d95db603639@lyft.com>

jrajahalme/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy,lyft/envoy,sebrandon1/envoy,envoyproxy/envoy-wasm,jrajahalme/envoy,istio/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy,lizan/envoy,envoyproxy/envoy-wasm,lyft/envoy,jrajahalme/envoy,sebrandon1/envoy,dnoe/envoy,lyft/envoy,istio/envoy,eklitzke/envoy,craffert0/envoy,envoyproxy/envoy,envoyproxy/envoy,lyft/envoy,envoyproxy/envoy,lizan/envoy,lyft/envoy,eklitzke/envoy,lizan/envoy,sebrandon1/envoy,istio/envoy,craffert0/envoy,dnoe/envoy,eklitzke/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy-wasm,istio/envoy,craffert0/envoy,dnoe/envoy,lizan/envoy,sebrandon1/envoy,eklitzke/envoy,envoyproxy/envoy,jrajahalme/envoy,sebrandon1/envoy,envoyproxy/envoy,craffert0/envoy,eklitzke/envoy,istio/envoy,istio/envoy,eklitzke/envoy,istio/envoy,lizan/envoy,envoyproxy/envoy,lizan/envoy,jrajahalme/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy,dnoe/envoy,envoyproxy/envoy,lyft/envoy,envoyproxy/envoy,jrajahalme/envoy,envoyproxy/envoy,dnoe/envoy