Bump protobuf from 3.18.1 to 3.19.0

[dependabot]

Bumps protobuf from 3.18.1 to 3.19.0.

Release notes

Sourced from protobuf's releases.

Protocol Buffers v3.19.0

C++

• Make proto2::Message::DiscardUnknownFields() non-virtual
• Separate RepeatedPtrField into its own header file
• For default floating point values of 0, consider all bits significant
• cmake: support MSVC_RUNTIME_LIBRARY property (#8851)
• Fix shadowing warnings (#8926)
• Fix for issue #8484, constant initialization doesn't compile in msvc clang-cl environment (#8993)
• Fix build on AIX and SunOS (#8373) (#9065)
• Add Android stlport and default toolchains to BUILD. (#8290)

Java

• For default floating point values of 0, consider all bits significant
• Annotate //java/com/google/protobuf/util/... with nullness annotations
• Use ArrayList copy constructor (#7853)

Kotlin

• Switch Kotlin proto DSLs to be implemented with inline value classes
• Fixing inlining and deprecation for repeated string fields (#9120)

Python

• Proto2 DecodeError now includes message name in error message
• Make MessageToDict convert map keys to strings (#8122)
• Add python-requires in setup.py (#8989)
• Add python 3.10 (#9034)

JavaScript

• Skip exports if not available by CommonJS (#8856)
• JS: Comply with CSP no-unsafe-eval. (#8864)

PHP

• Added "object" as a reserved name for PHP (#8962)

Ruby

• Override Map.clone to use Map's dup method (#7938)
• Ruby: build extensions for arm64-darwin (#8232)
• Add class method Timestamp.from_time to ruby well known types (#8562)
• Adopt pure ruby DSL implementation for JRuby (#9047)
• Add size to Map class (#8068)
• Fix for descriptor_pb.rb: google/protobuf should be required first (#9121)

C#

• Correctly set ExtensionRegistry when parsing with MessageParser, but using an already existing CodedInputStream (#7246)
• [C#] Make FieldDescriptor propertyName public (#7642)

Protocol Buffers v3.19.0-rc2

Java

• Update changelog to reflect that we are not yet dropping Java 7 support after all

Protocol Buffers v3.19.0-rc1

... (truncated)

Commits

• 17b30e9 Update protobuf version (#9119)
• 912eb8b Merge pull request #9121 from haberman/rubyfix
• bb5a268 Minor whitespace fixes and test fixups.
• 51cb7f9 Merge pull request #9120 from protocolbuffers/kotlinInlining
• 4c445b1 Fix for descriptor_pb.rb: google/protobuf should be required first.
• ad9eb23 Fixing formatting
• 33113ce Fixing inlining and deprecation for repeated string fields in kotlin
• 3f3e6f4 Update version to 3.19.0-rc2 and fix changelog about Java 7 (#9116)
• 53a1d66 Update PHP release notes for 3.19.0 (#9110)
• d1c6620 Update CHANGES.txt for 3.19.0
• Additional commits viewable in compare view

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