Bump protobuf from 3.1.0 to 4.1.0 in the pub group across 1 directory

[dependabot]

Bumps the pub group with 1 update in the / directory: protobuf.

Updates protobuf from 3.1.0 to 4.1.0

Release notes

Sourced from protobuf's releases.

package:protobuf v4.1.0

• Improve packed field decoding performance. (#959, #981)
• Minimum SDK dependency bumped from 3.3.0 to 3.6.0. (#1001)

#959: google/protobuf.dart#959 #981: google/protobuf.dart#981 #1001: google/protobuf.dart#1001

package:protobuf v4.0.0

• Breaking: The following types and members are now removed:
  • PbEventMixin
  • PbFieldChange
  • EventBuffer
  • GeneratedMessage.createRepeatedField
  • GeneratedMessage.createMapField These were used to implement events, which are unused internally. To keep API surface small (to make it easier to change the library or migrate to another library) these types and members are removed. (#738)
• Breaking: CodedBufferWriter.writeRawBytes now takes a Uint8List argument (instead of TypedData).
• GeneratedMessageGenericExtensions.deepCopy is now annotated with @useResult and will generate a warning when its result is not used. (#896)
• Breaking: PbMap.unmodifiable now takes key and value field types as arguments, instead of another PbMap. To migrate, use PbMap.unmodifiable(map.keyFieldType, map.valueFieldType) instead of PbMap.unmodifiable(map). (#902)
• Messages deserialized from JSON now generate the unknown fields when serialized as JSON. Note that, as before, unknown fields in JSON messages are not stored in the unknownFields of the message. They are only used by the JSON serializers to support roundtripping. (#49, #918)
• Minimum SDK dependency bumped from 2.19.0 to 3.3.0. (#953)

#738: google/protobuf.dart#738 #896: google/protobuf.dart#896 #902: google/protobuf.dart#902 #49: google/protobuf.dart#49 #918: google/protobuf.dart#918 #953: google/protobuf.dart#953

Commits

• deda288 address a merge issue with the protoc_plugin changelog (#1002)
• 5ed4611 shorten the deprecation messages for clone() and copyWith() (#999)
• 4960b92 Switch to pub workspace (#1001)
• b7753f6 rev package:protobuf version (#994)
• b5d20ff Update protobuf changelog with #981 (#995)
• 9bd149b read from and generate grpc service metadata (#991)
• 065d881 generate dartdocs for grpc services (#993)
• e2bd416 remove the api_benchmark/ package (#992)
• a6c8e56 Improve enum decoding -- alternative (#981)
• 376c9ce Update README.md (#990)
• Additional commits viewable in compare view

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[matthewnitschke-wk]

@dependabot ignore protobuf major version

[dependabot]

OK, I won't notify you about version 4.x.x of protobuf again, unless you unignore it.