Bump protobuf from 3.19.4 to 4.24.4 in /sdks/python

[dependabot]

Bumps protobuf from 3.19.4 to 4.24.4.

Release notes

Sourced from protobuf's releases.

Protocol Buffers v3.20.3

Java

• Refactoring java full runtime to reuse sub-message builders and prepare to migrate parsing logic from parse constructor to builder.
• Move proto wireformat parsing functionality from the private "parsing constructor" to the Builder class.
• Change the Lite runtime to prefer merging from the wireformat into mutable messages rather than building up a new immutable object before merging. This way results in fewer allocations and copy operations.
• Make message-type extensions merge from wire-format instead of building up instances and merging afterwards. This has much better performance.
• Fix TextFormat parser to build up recurring (but supposedly not repeated) sub-messages directly from text rather than building a new sub-message and merging the fully formed message into the existing field.
• This release addresses a Security Advisory for Java users

Protocol Buffers v3.20.2

C++

• Reduce memory consumption of MessageSet parsing
• This release addresses a Security Advisory for C++ and Python users

Protocol Buffers v3.20.1

PHP

• Fix building packaged PHP extension (#9727)
• Fixed composer.json to only advertise compatibility with PHP 7.0+. (#9819)

Ruby

• Disable the aarch64 build on macOS until it can be fixed. (#9816)

Other

• Fix versioning issues in 3.20.0

Protocol Buffers v3.20.1-rc1

PHP

• Fix building packaged PHP extension (#9727)

Other

• Fix versioning issues in 3.20.0

Protocol Buffers v3.20.0

2022-03-25 version 3.20.0 (C++/Java/Python/PHP/Objective-C/C#/Ruby/JavaScript)

Ruby

• Dropped Ruby 2.3 and 2.4 support for CI and releases. (#9311)
• Added Ruby 3.1 support for CI and releases (#9566).
• Message.decode/encode: Add recursion_limit option (#9218/#9486)
• Allocate with xrealloc()/xfree() so message allocation is visible to the Ruby GC. In certain tests this leads to much lower memory usage due to more frequent GC runs (#9586).
• Fix conversion of singleton classes in Ruby (#9342)

... (truncated)

Commits

• 7789b3a Updating version.json and repo version numbers to: 24.4
• 0006601 Update upb dependency (#14277)
• b9cf19b Automated rollback of commit 2a55706f9d36afd1742c97fd0d611ea8af0ac3f8. (#14246)
• e4baf96 Merge pull request #14240 from vthib/backport-cython-fix
• fe87c90 fix python code generation compatibility with Cython
• b2b7a51 Merge pull request #14054 from mkruskal-google/iwyu-fix2
• 955d371 Printer: Include Abseil's str_cat.h for absl::AlphaNum
• 0d22de5 Merge pull request #14042 from mkruskal-google/iwyu-fix
• 96c1a7d Add dependency on absl::layout, and explicitly include absl layout includes
• d3c44a4 Merge pull request #13898 from protocolbuffers/24.x-202309071538
• Additional commits viewable in compare view

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[dependabot]

Superseded by #331.