Update jetty.version to v9.4.51.v20230217

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.eclipse.jetty:jetty-webapp (source)	9.4.50.v20221201 -> 9.4.51.v20230217
org.eclipse.jetty:jetty-servlet (source)	9.4.50.v20221201 -> 9.4.51.v20230217
org.eclipse.jetty:jetty-io (source)	9.4.50.v20221201 -> 9.4.51.v20230217
org.eclipse.jetty:jetty-util (source)	9.4.50.v20221201 -> 9.4.51.v20230217
org.eclipse.jetty:jetty-http (source)	9.4.50.v20221201 -> 9.4.51.v20230217
org.eclipse.jetty:jetty-server (source)	9.4.50.v20221201 -> 9.4.51.v20230217
org.eclipse.jetty:jetty-client (source)	9.4.50.v20221201 -> 9.4.51.v20230217

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Configuration

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[codecov]

Codecov Report

Merging #320 (e6a7367) into master (99c62e6) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #320   +/-   ##
=========================================
  Coverage     80.79%   80.79%           
  Complexity      170      170           
=========================================
  Files            16       16           
  Lines           526      526           
  Branches         49       49           
=========================================
  Hits            425      425           
  Misses           79       79           
  Partials         22       22           

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