Bump fast-uri from 3.1.5 to 3.1.8

Bumps fast-uri from 3.1.5 to 3.1.8.

• Release notes
• Commits

updated-dependencies:

• dependency-name: fast-uri
  dependency-version: 3.1.8
  dependency-type: indirect
  ...

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PR https://github.com/mantisbt/mantisbt/pull/2295