deps: update dependency com.github.ben-manes.caffeine:caffeine to v2.9.1

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.github.ben-manes.caffeine:caffeine	2.9.0 -> 2.9.1

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Release Notes

ben-manes/caffeine

v2.9.1

Compare Source

Cache

• Added cancellation of the next scheduled expiration cleanup when the cache becomes empty (#​542)
• Improved how variable expiration reorganizes the timer events (#​541)
• Added putIfAbsent optimistic fastpath (#​506)

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[codecov]

Codecov Report

Merging #165 (41f5085) into master (c50bbfb) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #165   +/-   ##
=========================================
  Coverage     59.36%   59.36%           
  Complexity      130      130           
=========================================
  Files            25       25           
  Lines           753      753           
  Branches         31       31           
=========================================
  Hits            447      447           
  Misses          298      298           
  Partials          8        8           

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