Amalgamate v0.1.69

• Search for fs.rm.
• Upgrade dilute to 2.0.0-alpha.8.
• Upgrade skip to 0.2.50.
• Upgrade interrupt to 11.0.0-alpha.23.
• Upgrade operation to 6.0.0-alpha.10.
• Upgrade b-tree to 2.0.0-alpha.112.
• Upgrade homogenize to 2.0.0-alpha.22.
• Upgrade writeahead to 0.0.45.
• Upgrade designate to 2.0.0-alpha.17.
• Upgrade splice to 3.0.0-alpha.68.
• Upgrade eject to 0.3.0.
• Upgrade fracture to 0.3.0-alpha.69.
• Upgrade twiddle to 2.0.0-alpha.9.
• Upgrade whittle to 0.0.3.
• Upgrade reciprocate to 0.0.8.
• Upgrade ascension to 3.0.0-alpha.4.
• Upgrade extant to ^2.0.0-alpha.2.
• Upgrade destructible to 7.0.0-alpha.67.
• Upgrade rescue to 7.0.0-alpha.16.
• Upgrade perhaps to 0.0.11.
• Upgrade turnstile to 6.0.0-alpha.78.
• Upgrade magazine to 6.0.0-alpha.9.
• Upgrade riffle to 2.0.0-alpha.86.
• Build with Node.js 16 on GitHub Actions.
• Build with Node.js 16 on Travis CI.

Closes #239.