fix(deps): update module google.golang.org/protobuf to v1.28.1

This MR contains the following updates:

Package	Type	Update	Change
google.golang.org/protobuf	require	minor	v1.26.0 -> v1.28.1

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Release Notes

protocolbuffers/protobuf-go

v1.28.1

Compare Source

This release contains protoc-gen-go binaries for arm64.

Notable changes since v1.28.0:

• CL/418677: internal/impl: improve MessageInfo.New performance
• CL/411377: proto: short-circuit Equal when inputs are identical
• CL/419714: all: Add prebuild binaries for arm64

v1.28.0

Compare Source

• Overview
• Notable changes
  • UnmarshalOption RecursionLimit
• Upcoming breakage changes

Overview

The release provides a new unmarshal option for limiting the recursion depth when unmarshalling nested messages to prevent stack overflows. (UnmarshalOptions.RecursionLimit).

Notable changes

New features:

• CL/340489: testing/protocmp: add Message.Unwrap

Documentation improvements:

• CL/339569: reflect/protoreflect: add more docs on Value aliasing

Updated supported versions:

• CL/370055: all: update supported versions

UnmarshalOption RecursionLimit

• CL/385854: all: implement depth limit for unmarshalling

The new UnmarshalOptions.RecursionLimit limits the maximum recursion depth when unmarshalling messages. The limit is applied for nested messages. When messages are nested deeper than the specified limit the unmarshalling will fail. If unspecified, a default limit of 10,000 is applied.

In addition to the configurable limit for message nesting a non-configurable recursion limit for group nesting of 10,000 was introduced.

Upcoming breakage changes

The default recursion limit of 10,000 introduced in the release is subject to change. We want to align this limit with implementations for other languages in the long term. C++ and Java use a limit of 100 which is also the target for the Go implementation.

v1.27.1

Compare Source

Notable changes since v1.27.0:

• CL/331149: cmd/protoc-gen-go: fix generation of enum defaults

v1.27.0

Compare Source

• Overview
• Notable changes
  • Reflectively ranging over a message
• Upcoming breakage changes

Overview

The release provides new functionality for iterating through a message using protobuf reflection. There are some minor changes to the code generator.

Notable changes

New features:

• CL/309669: testing/protopack: add Message.UnmarshalAbductive

Bug fixes:

• CL/317430: encoding/prototext: fix skipping of unknown fields
• CL/321529: internal/impl: support typed nil source for Merge of aberrant messages

Generator changes

• CL/305574: cmd/protoc-gen-go: remove generation of the ExtensionRangeArray method
• CL/319649: cmd/protoc-gen-go: avoid referencing remote enum values by name
• CL/316949: compiler/protogen: relax rules for valid import paths
• CL/306209: cmd/protoc-gen-go: add protoc suffix

Reflectively ranging over a message

• CL/236540: reflect: add protopath and protorange packages

The new reflect/protorange package supports recursively ranging through all populated fields of a message. There are many use cases for such a feature. See the examples for inspiration.

Upcoming breakage changes

This release removes generation of the ExtensionRangeArray method, as originally announced since the v1.20.0 release on March 2nd, 2020. Our analysis of the entire public module proxy found no static usages of this method. This method is pseudo-internal to the implementation and we expect removal of it to have no material impact. If something is broken by this change, please file an issue and we can consider re-generating this method in a patch release.

There are no new upcoming breaking changes to announce in this release.

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