build(deps): bump io.grpc:protoc-gen-grpc-java from 1.70.0 to 1.73.0

[dependabot]

Bumps io.grpc:protoc-gen-grpc-java from 1.70.0 to 1.73.0.

Release notes

Sourced from io.grpc:protoc-gen-grpc-java's releases.

V1.73.0

API Changes

xds: Enable least request by default (#12062) core: Delete the long-deprecated GRPC_PROXY_EXP env variable (#11988) (908f9f19c). This was experimental and has been warning when used since v1.8.0. Use the Java-standard -Dhttps.proxyHost and -Dhttps.proxyPort instead api: Remove deprecated SubchannelPicker.requestConnection() (f79ab2f16). This API was replaced by LoadBalancer.requestConnection() in v1.22.0

Bug Fixes

config: prevents global stats config freeze in ConfiguratorRegistry.getConfigurators() (#11991) (d4c46a7f1) xds: XdsDepManager should ignore updates after shutdown (25199e9df). This fixes a source of java.lang.NullPointerException: Cannot invoke "io.grpc.xds.XdsDependencyManager$RdsUpdateSupplier.getRdsUpdate()" because "routeSource" is null regression introduced in v1.72.0

Improvements

xds: listener type validation (#11933) (c8d1e6e39) xds: add the missing xds.authority metric defined in gRFC A78 (#12018) (6cd007d0d)

New Features

xds: float LRU cache across interceptors (#11992) (7a08fdb7f) xds: propagate audience from cluster resource in gcp auth filter. This completes the gRFC A83, implementation of GCP Authentication Filter. (#11972) (84c7713b2) opentelemetry: Implement grpc.lb.backend_service optional label (961945379). This completes the gRFC A89 implementation, which is enabled when requesting the new label

Documentation

api: Remove mention of "epoch" from Ticker.nanoTime() javadocs (84bd01454)

V1.72.0

API Changes

• util: Remove deprecated method GracefulSwitchLb.switchTo() (f207be39a). It is rarely used outside of gRPC itself. The configuration is passed as lb policy configuration instead
• xds: Add support for custom per-target credentials on the transport (#11951) (1958e4237)
• xds: Explicitly set request hash key for the ring hash LB policy (892144dca)

Bug Fixes

• core: Apply ManagedChannelImpl's updateBalancingState() immediately (ca4819ac6)
• xds: Fix cluster selection races when updating config selector (d82613a74)
• otel: Fix span names as per the A72 gRFC changes (#11974) (94f8e9369)
• xds: ClusterResolverLoadBalancer handle update for both resolved addresses and errors via ResolutionResult (#11997) (868178651)

Improvements

• netty: Avoid allocating an exception on transport shutdown. This reduces allocation rate for connection-heavy workloads/load testing (a57c14a51)
• servlet: Set an explicit description for CANCELLED status (#11927) (fca1d3cf4)
• xds: gRFC A74 xDS Config Tears implementation in the XdsNameResolver (e80c19745). While there is more remaining, users may already see reduced latency when resources are replaced. For example, if changing a route from one backend service to another, RPCs may see less latency during the transition
• core: Log any exception during channel panic because of exception (3961a923a). This prevents the exception from propagating up the stack on an arbitrary thread. Such exceptions are rarely interesting. Instead, the exception that caused the channel panic is the important one, and RPCs will still fail with its details
• util: Graceful switch to new LB when leaving CONNECTING (2e260a4bb). Previously when using xDS and the configuration changes the LB policy, the old LB policy is used until the new one is READY. Now the old LB policy is used until the new policy becomes READY, TRANSIENT_FAILURE, or IDLE
• core: Use java.time.Time.getNano directly in InstantTimeProvider. Previously reflection was used which would confuse R8 full mode (#11977) (7507a9ec0)
• core: Avoid cancellation exceptions when notifying watchers that already have their connections cancelled (#11934) (350f90e1a)
• rls: allow maxAge in RLS config to exceed 5 minutes if staleAge is set. Previously, the limit was 5 minutes, which isn't enough for some gRPC clients (#11931) (c340f4a2f)

... (truncated)

Commits

• 7f28d46 Bump version to 1.73.0
• 4717481 Update README etc to reference 1.73.0
• bfb55b5 xds: Add GcpAuthenticationFilter to FilterRegistry (#12075) (#12086)
• 8613672 Rename PSM interop fallback test suite to light (#12092)
• 165e476 alts: add experimental keepalive (#12076)
• e772265 xds: Enable least request by default (#12054) (#12062)
• 6baac45 xds: Fix pretty-print of Cluster with WrrLocality and LB policies (#12037)
• 454f1c5 binder: Create a Robolectric version of BinderTransportTest (#12057)
• 64fe061 Simplify RobolectricBinderSecurityTest (#12058)
• 80cc988 xds: Use acceptResolvedAddresses() for WeightedTarget children (#12053)
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[sonarqubecloud]

Quality Gate passed

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