[Build Break] Update custom serialization min supported version

[peternied]

Description

Update custom serialization min supported version, should be 2.11.0 since the features backport [1] was merged.

• [1] [Backport 2.x] Improve serialization speeds (#2802) #3444

Issues Resolved

• Resolves [BUG] BWC tests started to fail for all new PRs #3456

⚠️ I will be bypassing approval to merge this change to unblock the pipeline as soon as all of the backward-compatibility* tests have passed.

Check List

• New functionality includes testing
• New functionality has been documented
• Commits are signed per the DCO using --signoff

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[codecov]

Codecov Report

Merging #3458 (a2cdd48) into main (e4a1b77) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##               main    #3458   +/-   ##
=========================================
  Coverage     64.57%   64.57%           
  Complexity     3547     3547           
=========================================
  Files           269      269           
  Lines         20365    20365           
  Branches       3377     3377           
=========================================
  Hits          13151    13151           
  Misses         5526     5526           
  Partials       1688     1688           

Files	Coverage Δ
...g/opensearch/security/support/ConfigConstants.java	95.23% <100.00%> (ø)

[peternied]

Looks like there is a test failure, I'm investigating org.opensearch.security.transport.SecuritySSLRequestHandlerTests.testUseJDKSerializationHeaderIsSetOnMessageReceived

[cwperks]

I'm approving, but will spend some more time to understand the values being changed in this PR.