Bump protobuf from 3.20.2 to 4.25.8

[dependabot[bot]]

Bumps protobuf from 3.20.2 to 4.25.8.

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

Commits

• a4cbdd3 Updating version.json and repo version numbers to: 25.8
• 29445be Merge pull request #21880 from shaod2/py-25
• cc13b69 Remove debugging code and add EOLs
• d31100c Manually backport recursion limit enforcement to 25.x
• 88a3b90 Change pre-22 poison pill to only log once per affected message type. (#21754)
• 320eafa Weaken vulnerable gencode poison pills to warning by default.
• f584fe3 Merge branch 'protocolbuffers:25.x' into 25.x
• c710036 Update test_upb.yml to use ubuntu-22
• 9721758 Fix missing trailing newline.
• cca7b28 Update test_upb.yml to use ubuntu-22
• Additional commits viewable in compare view

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