v0.5.6

What's Changed

• fix: runtime upgrade scheme by @dmitry123 in #325
• chore: bump version to v0.5.5 by @d1r1 in #326
• docs(ust20): add universal token contract guide by @hedwig0x in #332
• feat: updated runtime upgrade contract by @dmitry123 in #330
• chore(deps): bump docker/build-push-action from 6 to 7 by @dependabot[bot] in #331
• chore(deps): bump docker/login-action from 3 to 4 by @dependabot[bot] in #328
• chore(deps): bump docker/setup-buildx-action from 3 to 4 by @dependabot[bot] in #329
• fix(universal-token): fixes for universal token runtime by @dmitry123 in #334

Full Changelog: v0.5.5...v0.5.6