Bump h2 from 0.3.24 to 0.3.26 in /rust (#50)

Bumps [h2](https://github.com/hyperium/h2) from 0.3.24 to 0.3.26. - [Release notes](https://github.com/hyperium/h2/releases) - [Changelog](https://github.com/hyperium/h2/blob/v0.3.26/CHANGELOG.md) - [Commits](hyperium/h2@v0.3.24...v0.3.26) --- updated-dependencies: - dependency-name: h2 dependency-type: indirect ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]