[KYLIN-4886] Bump the rocksdbjni dependency version to 5.18.4

[liusheng]

Proposed changes

A special rocksdbjni version for aarch64 has been released by rocksdb community. [1][2]

This patch bumps the rocksdbjni version to 5.18.4 to make the Storm can be built in aarch64.

[1] https://github.com/facebook/rocksdb/releases/tag/v5.18.4
[2] facebook/rocksdb#6250

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• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
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Checklist

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• I have create an issue on Kylin's jira, and have described the bug/feature there in detail
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[coveralls]

Pull Request Test Coverage Report for Build 6828

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 8 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.005%) to 27.954%

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Files with Coverage Reduction	New Missed Lines	%
core-dictionary/src/main/java/org/apache/kylin/dict/lookup/cache/RocksDBLookupTable.java	1	81.08%
tool/src/main/java/org/apache/kylin/tool/query/ProbabilityGenerator.java	2	76.32%
core-cube/src/main/java/org/apache/kylin/cube/inmemcubing/MemDiskStore.java	5	77.81%

Totals
Change from base Build 6729:	-0.005%
Covered Lines:	26254
Relevant Lines:	93918

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💛 - Coveralls

[liusheng]

Hi @hit-lacus @zzcclp Could you please take a look this PR ? Thanks a lot!

[liusheng]

Hi, could anyone can help to review this PR ?

[liusheng]

Hi @hit-lacus
Could you please help to take a look this ?

[liusheng]

merged changes of this pr to #1558