build(deps): bump google.golang.org/grpc from 1.37.0 to 1.38.0

[dependabot[bot]]

Bumps google.golang.org/grpc from 1.37.0 to 1.38.0.

Release notes

Sourced from google.golang.org/grpc's releases.

Release 1.38.0

API Changes

• reflection: accept interface instead of grpc.Server struct in Register() (#4340)
• resolver: add error return value from ClientConn.UpdateState (#4270)

Behavior Changes

• client: do not poll name resolver when errors or bad updates are reported (#4270)
• transport: InTapHandle may return RPC status errors; no longer RST_STREAMs (#4365)

New Features

• client: propagate connection error causes to RPC status (#4311, #4316)
• xds: support inline RDS resource from LDS response (#4299)
• xds: server side support is now experimentally available
• server: add ForceServerCodec() to set a custom encoding.Codec on the server (#4205)
  • Special Thanks: @​ash2k

Performance Improvements

• metadata: reduce memory footprint in FromOutgoingContext (#4360)
  • Special Thanks: @​irfansharif

Bug Fixes

• xds/balancergroup: fix rare memory leak after closing ClientConn (#4308)

Documentation

• examples: update xds examples for PSM security (#4256)
• grpc: improve docs on StreamDesc (#4397)

Release 1.37.1

• client: fix rare panic when shutting down client while receiving the first name resolver update (#4398)
• client: fix leaked addrConn struct when addresses are updated (#4347)
• xds/resolver: prevent panic when two LDS updates are receives without RDS in between (#4327)

Commits

• 0257c86 Change version to 1.38.0 (#4418)
• ce3e5ec v1.38.x: backport (#4453)
• 5f95ad6 xds: workaround to deflake xds e2e tests (#4413)
• b1940e1 xds: register resources at the mgmt server before requesting them (#4406)
• 98c895f cleanup: use testutils.MarshalAny in more places (#4404)
• 12a377b xds: nack route configuration with regexes that don't compile (#4388)
• c15291b client: initialize safe config selector when creating ClientConn (#4398)
• 328b1d1 transport: allow InTapHandle to return status errors (#4365)
• aff517b xds: make e2e tests use a single management server instance (#4399)
• 0439465 xds_resolver: fix flaky Test/XDSResolverDelayedOnCommitted (#4393)
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[dependabot[bot]]

Superseded by #104.