update proxy of master to raftstore-proxy for memory purge and memory status

[CalvinNeo]

What problem does this PR solve?

Issue Number: ref #4982 ref #9722

Problem Summary:
update proxy to raftstore-proxy
Proxy PR:
Including:\nSubmodule contrib/tiflash-proxy b877a97699..50b8d2e0fa:

Support arena.i.purge and malloc_stats_print when jemalloc is used (#402)

It is the first part of #9707

What is changed and how it works?

- Provide an http interface "/debug/pprof/arena_purge" for purging the dirty/muzzy page in jemalloc. This could help reduce the memory consumption after large txn is committed.
    Reference: https://jemalloc.net/jemalloc.3.html#opt.muzzy_decay_ms
- Provide an http interface "/debug/pprof/memory_status" to get memory allocation information is using jemalloc. Note that the return result may take dozens MiB.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

None

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JaySon-Huang, Lloyd-Pottiger

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• OWNERS [JaySon-Huang,Lloyd-Pottiger]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-12-11 08:17:41.746103359 +0000 UTC m=+426451.834905897: ☑️ agreed by JaySon-Huang.
• 2024-12-11 09:02:43.148457189 +0000 UTC m=+429153.237259733: ☑️ agreed by Lloyd-Pottiger.

[ti-chi-bot]

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/run-all-tests

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