chore: release 16.0.0

[github-actions]

🤖 I have created a release *beep* *boop*

16.0.0 (2020-09-09)

⚠ BREAKING CHANGES

• tweaks to ESM/Deno API surface: now exports yargs function by default; getProcessArgvWithoutBin becomes hideBin; types now exported for Deno.
• find-up replaced with escalade; export map added (limits importable files in Node >= 12); yarser-parser@19.x.x (new decamelize/camelcase implementation).
• usage: single character aliases are now shown first in help output
• rebase helper is no longer provided on yargs instance.
• drop support for EOL Node 8 (feat!: drop support for EOL Node 8 #1686)

Features

• adds strictOptions() (#1738) (b215fba)
• helpers: rebase, Parser, applyExtends now blessed helpers (#1733) (c7debe8)
• adds support for ESM and Deno (#1708) (ac6d5d1)
• drop support for EOL Node 8 (#1686) (863937f)
• i18n for ESM and Deno (#1735) (c71783a)
• tweaks to API surface based on user feedback (#1726) (4151fee)
• usage: single char aliases first in help (#1574) (a552990)

Bug Fixes

• yargs: add missing command(module) signature (#1707) (0f81024), closes #1704

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This PR was generated with Release Please.

[bcoe]

Note: we ultimately opted not to land yargs.d.ts or ship our own types, we should update these entries in the CHANGELOG before we ship v16.

[bcoe]

Before releasing, we should:

1. mention that the rebase helper is no longer exported:
2. fix a couple typos in the CHANGELOG.