CAMEL-20850: camel-core - compress changes in SimpleLRUCache

[essobedo]

Fix for https://issues.apache.org/jira/browse/CAMEL-20850

Motivation

When the queue of changes is full, some entries can be evicted while the cache is not, which is not expected.

Modifications:

• Compress the changes by removing duplicates before the eviction
• Add a minimum size for the queue of changes

[github-actions]

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[essobedo]

@gnodet Hi, any remarks/comments before I merge it?