chore(deps): bump the deps group across 1 directory with 2 updates

Bumps the deps group with 2 updates in the / directory: [leptos](https://github.com/leptos-rs/leptos) and [leptos_router](https://github.com/leptos-rs/leptos).


Updates `leptos` from 0.7.2 to 0.7.3
- [Release notes](https://github.com/leptos-rs/leptos/releases)
- [Commits](leptos-rs/leptos@v0.7.2...v0.7.3)

Updates `leptos_router` from 0.7.2 to 0.7.3
- [Release notes](https://github.com/leptos-rs/leptos/releases)
- [Commits](leptos-rs/leptos@v0.7.2...v0.7.3)

---
updated-dependencies:
- dependency-name: leptos
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: deps
- dependency-name: leptos_router
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: deps
...

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