fix(deps): bump @relaycorp/webcrypto-kms from 1.5.1 to 1.5.3

Bumps [@relaycorp/webcrypto-kms](https://github.com/relaycorp/webcrypto-kms-js) from 1.5.1 to 1.5.3.
- [Release notes](https://github.com/relaycorp/webcrypto-kms-js/releases)
- [Commits](relaycorp/webcrypto-kms-js@v1.5.1...v1.5.3)

---
updated-dependencies:
- dependency-name: "@relaycorp/webcrypto-kms"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>