Bump google.golang.org/grpc from 1.21.0 to 1.37.0

[dependabot-preview[bot]]

Bumps google.golang.org/grpc from 1.21.0 to 1.37.0.

Release notes

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

Release 1.37.0

API Changes

• balancer: Add UpdateAddresses() to balancer.ClientConn interface (#4215)
  • NOTICE: balancer.SubConn.UpdateAddresses() is now deprecated and will be REMOVED in gRPC-Go 1.39

Behavior Changes

• balancer/base: keep address attributes for pickers (#4253)
  • Special Thanks: @longXboy

New Features

• xds: add support for csds (#4226, #4217, #4243)
• admin: create admin package for conveniently registering standard admin services (#4274)
• xds: add support for HTTP filters (gRFC A39) (#4206, #4221)
• xds: implement fault injection HTTP filter (A33) (#4236)
• xds: enable timeout, circuit breaking, and fault injection by default (#4286)
• xds: implement a priority based load balancer (#4070)
• xds/creds: support all SAN matchers on client-side (#4246)

Bug Fixes

• xds: add env var protection for client-side security (#4247)
• circuit breaking: update picker inline when there's a counter update (#4212)
• server: fail RPCs without POST HTTP method (#4241)

Release 1.36.1

• xds: add env var protection for client-side security (#4247)

Release 1.36.0

New Features

• xds bootstrap: support config content in env variable (#4153)

Bug Fixes

• encoding/proto: do not panic when types do not match (#4218)

Documentation

• status: document nil error handling of FromError (#4196)
  • Special Thanks: @gauravgahlot

Release 1.35.1

• encoding/proto: do not panic when types do not match (#4218)
• xds: add env var protection for client-side security (#4247)

Release 1.35.0

Behavior Changes

• roundrobin: strip attributes from addresses (#4024)
• balancer: set RPC metadata in address attributes, instead of Metadata field (#4041)

... (truncated)

Commits

• daba805 Change version to 1.37.0 (#4304)
• 03fa67a xds/interop: register admin services and reflection (#4307) (#4320)
• 4a19753 interop: add a flag to clients to statically configure grpclb (#4290)
• 2456c5c Allow using interop client for making Traffic Director RPCs (#4291)
• 80e380e balancer/base: keep address attributes for pickers (#4253)
• 702608f xds: enable timeout, circuit breaking, and fault injection by default (#4286)
• faf4e1c xds: rename proto import to grpc (#4287)
• 46da49c xds: use different proto import for grpc services (#4285)
• b331a48 alts: re-add vmOnGCP and once globals for easier testing (#4284)
• d26af8e admin: implement admin services (#4274)
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Superseded by #292.