Bump isbot from 5.1.4 to 5.1.9 in /frontend

[dependabot[bot]]

Bumps isbot from 5.1.4 to 5.1.9.

Changelog

Sourced from isbot's changelog.

5.1.9

• [Pattern] A more careful match for RSS substring

5.1.8

• [Pattern] Recognise timestamp in user agent string - is used to generate unique strings for each request

5.1.7

• [Pattern] Ignore NewsSapphire in-app browser (news app)
• [Pattern] Ignore locales with calendar in user agent

5.1.6

• [FIX] Browser files (jsdeliver): UMD is global and ESM is named

5.1.5

• Add substring "watch" to pattern

Commits

• 73ffbea [Pattern] A more careful match for RSS substring (#258)
• ea368a7 chore: Expanse's message to the world
• 96eaa3a Fix in automation
• 4ccddfc Recognise timestamp: used to generate unique string per request
• 1e172e6 I don't even work here
• 4f75c4e Pattern updates (#255)
• e77c4d1 Move downloaded fixtures directory
• fc67031 look over there
• ba5b614 [FIX] Browser files (jsdeliver) (#253)
• b9973b6 here we go again
• Additional commits viewable in compare view

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