Olio v7.0.0-alpha.1

• Upgrade fastify to 2.10.0. Closes #163.
• Caret pin Descendent to 3.0.0-alpha.1. Closes #162.
• Caret pin Cubbyhole to 3.0.0-alpha.2. Closes #161.
• Pin nop to 1.0.0. Closes #160.
• Caret pin sibling dependencies. Closes #159.
• Create Markdown readme with badges. Closes #146.
• Tidy .gitignore. Closes #158.
• Replace p-queue with Avenue. Closes #139.
• Upgrade prolific.shuttle to 26.0.0. Closes #157.
• Upgrade prolific.logger to 11.0.0. Closes #156.
• Upgrade staccato to 11.0.0-alpha.1. Closes #155.
• Upgrade fastify to 2.9.0. Closes #154.
• Upgrade arguable to 11.1.0-alpha.0. Closes #153.
• Add Prospective dependency. Closes #152.
• Upgrade avenue to 0.2.0-alpha.0. Closes #151.
• Upgrade cubbyhole to 3.0.0-alpha.1. Closes #150.
• Upgrade interrupt to 9.0.0-alpha.0. Closes #149.
• Upgrade destructible to 5.2.0-alpha.1. Closes #148.
• Upgrade destructible to 1.0.4. Closes #147.
• Build with Actions, ship coverage to Codecov. Closes #145. Closes #144.
• Upgrade Descendant to 3.0.0-alpha.0. Closes #143.
• Caret pin Conduit to 7.0.0-alpha.4. Closes #142.
• Revert tests to Proof. Closes #140.
• Update for constructor initialized Conduit. Closes #141.
• Remove dead code. See #130.

Closes #164.