Bump protobuf-java from 3.12.2 to 3.14.0

[dependabot-preview]

Bumps protobuf-java from 3.12.2 to 3.14.0.

Release notes

Sourced from protobuf-java's releases.

Protocol Buffers v3.14.0

Protocol Compiler

• The proto compiler no longer requires a .proto filename when it is not generating code.
• Added flag --deterministic_output to protoc --encode=....
• Fixed deadlock when using google.protobuf.Any embedded in aggregate options.

C++

• Arenas are now unconditionally enabled. cc_enable_arenas no longer has any effect.
• Removed inlined string support, which is incompatible with arenas.
• Fix a memory corruption bug in reflection when mixing optional and non-optional fields.
• Make SpaceUsed() calculation more thorough for map fields.
• Add stack overflow protection for text format with unknown field values.
• FieldPath::FollowAll() now returns a bool to signal if an out-of-bounds error was encountered.
• Performance improvements for Map.
• Minor formatting fix when dumping a descriptor to .proto format with DebugString.
• UBSAN fix in RepeatedField (#2073).
• When running under ASAN, skip a test that makes huge allocations.
• Fixed a crash that could happen when creating more than 256 extensions in a single message.
• Fix a crash in BuildFile when passing in invalid descriptor proto.
• Parser security fix when operating with CodedInputStream.
• Warn against the use of AllowUnknownExtension.
• Migrated to C++11 for-range loops instead of index-based loops where possible. This fixes a lot of warnings when compiling with -Wsign-compare.
• Fix segment fault for proto3 optional (#7805)
• Adds a CMake option to build libprotoc separately (#7949)

Java

• Bugfix in mergeFrom() when a oneof has multiple message fields.
• Fix RopeByteString.RopeInputStream.read() returning -1 when told to read 0 bytes when not at EOF.
• Redefine remove(Object) on primitive repeated field Lists to avoid autoboxing.
• Support "\u" escapes in textformat string literals.
• Trailing empty spaces are no longer ignored for FieldMask.
• Fix FieldMaskUtil.subtract to recursively remove mask.
• Mark enums with @java.lang.Deprecated if the proto enum has option deprecated = true;.
• Adding forgotten duration.proto to the lite library (#7738)

Python

• Print google.protobuf.NullValue as null instead of "NULL_VALUE" when it is used outside WKT Value/Struct.
• Fix bug occurring when attempting to deep copy an enum type in python 3.
• Add a setuptools extension for generating Python protobufs (#7783)

Commits

• 2514f0b Removed protoc-artifacts/target directory
• f3192d6 Update protobuf version
• 8630972 Updated CHANGES.txt to add #8035
• e91922a Additional test
• e57f761 Fix parsing negative Int32Value that crosses segment boundary
• 1b851b3 Update protobuf version
• 129a5ed Updated CHANGES.txt to include #7928
• 99149ba Fix PyUnknownFields memory leak (#7928)
• 4928583 Updated CHANGES.txt for the 3.14.0 release
• fbbe11a Reintroduced definitions for PHP GeneratedClassName() functions
• Additional commits viewable in compare view

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