2020-07-21, Version 10.22.0 'Dubnium' (LTS)

Notable changes:

- deps:
  - upgrade npm to 6.14.6 (claudiahdz)
    https://github.com/nodejs/node/pull/34246
  - upgrade openssl sources to 1.1.1g (Hassaan Pasha)
    https://github.com/nodejs/node/pull/32982
- n-api:
  - add `napi_detach_arraybuffer` (legendecas)
    https://github.com/nodejs/node/pull/29768

PR-URL: https://github.com/nodejs/node/pull/34170