chore: update vendor for performance

[orisano]

improve swagger generate server performance on a large schema.

related pull requests:

• feat: improve split performance go-openapi/swag#25
• feat: improve Analyzed performance on a large schema go-openapi/loads#19

before:

after:

[casualjim]

I merged your companion PR, so you should be able to make this one pass

[codecov]

Codecov Report

Merging #1802 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1802   +/-   ##
=======================================
  Coverage   80.07%   80.07%           
=======================================
  Files          38       38           
  Lines        7494     7494           
=======================================
  Hits         6001     6001           
  Misses       1014     1014           
  Partials      479      479

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[orisano]

all tests passed