Bump jsonpointer and is-my-json-valid in /Validator

[dependabot]

Bumps jsonpointer and is-my-json-valid. These dependencies needed to be updated together.
Updates jsonpointer from 4.0.1 to 5.0.1

Release notes

Sourced from jsonpointer's releases.

Version 5.0.1

Changelog

• Fix incorrect typings for compile get/set methods (#58, thanks to @​haakemon)
• Fix null values throwing exception when traversing over while getting (#50, thanks to @​reckter)
• Fix tests for null and undefined assertions (janl/node-jsonpointer@a5706e8)

v5.0.0

5.0.0 (2021-10-31)

Bug Fixes

• Fix prototype pollution (#51)

  • The original, non-mutated objects are now returned if any of the keys __proto__, constructor or prototype are used in a json pointer.

  // returns the unmodified input {}
  jsonpointer.set({}, '/foo/__proto__/boo', 'polluted')

  • When passing non-string arrays to a .set operation, an error is thrown:

  // throws `new Error('Invalid JSON pointer. Must be of type string or number.')`
  jsonpointer.set({}, [['__proto__'], ['__proto__'], 'boo'], 'polluted')

v4.1.0

4.1.0 (2020-07-03)

Bug Fixes

• prototype pollution (234e343)

Features

• docs: thank contributors (b67e402)
• docs: use npm test (ad96a94)
• re-add semantic release (49b7074)

Commits

• 4a253c0 Adopt strictEqual changes and only return null when the get succeeded
• bad4983 Fix null values throwing exception when traversing over while getting
• a5706e8 test: Always use strictEqual to ensure null and undefined values are asserted...
• b8e1e6a fix incorrect typings for compile get/set methods
• c4de620 Merge pull request #53 from janl/release/5.0.0
• 8dbf304 feat: v5
• 84cf173 Merge pull request #52 from janl/fix/test
• f716e5c chore: more rip travis
• e2ae355 chore: remove comment
• d23693b chore: update primary branch
• Additional commits viewable in compare view

Updates is-my-json-valid from 2.17.2 to 2.20.6

Commits

• 58d30cb 2.20.6
• f76edf0 Merge pull request #188 from axelniklasson/master
• 4eef089 Upgrade jsonpointer to address security vulnerability
• 441f812 2.20.5
• d36a1b1 Merge pull request #182 from ChALkeR/chalker/fix-comma
• b6ea484 Fix uri prefix detection
• 5389c5b Merge pull request #181 from ChALkeR/chalker/fix-undef
• df5b313 add funding file
• c224619 Fix 'required' implementation
• 2534af4 2.20.4
• Additional commits viewable in compare view

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