Bump pydantic from 2.6.3 to 2.6.4 (#110)

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.6.3 to 2.6.4.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.6.3...v2.6.4)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -9,7 +9,7 @@ packages = [{include = "nais_verification"}]
 
 [tool.poetry.dependencies]
 python = "^3.10"
-pydantic = "^2.6.3"
+pydantic = "^2.6.4"
 gql = {version = "^3.5.0", extras = ["requests"]}
 requests = "<3"
 fiaas-logging = "<1"