Bump polkadot-primitives from polkadot-v1.7.1 to polkadot-v1.7.2

Bumps [polkadot-primitives](https://github.com/paritytech/polkadot-sdk) from polkadot-v1.7.1 to polkadot-v1.7.2.
- [Release notes](https://github.com/paritytech/polkadot-sdk/releases)
- [Changelog](https://github.com/paritytech/polkadot-sdk/blob/master/docs/RELEASE.md)
- [Commits](paritytech/polkadot-sdk@70e569d...f5fc487)

---
updated-dependencies:
- dependency-name: polkadot-primitives
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>