📦 Release web-features@2.19.0

[github-actions]

This is a generated release pull request. Don't merge if you're not ready to carry out the release.

## What's New
* 17 features
* 89.6% coverage of BCD

## What's Changed
* Add more media keys and features by @autonome in https://github.com/web-platform-dx/web-features/pull/2351
* Add WebVR feature (discouraged) by @Elchi3 in https://github.com/web-platform-dx/web-features/pull/2512
* Add discouraged CSS features by @jamesnw in https://github.com/web-platform-dx/web-features/pull/2486
* Add discouraged Performance API by @Elchi3 in https://github.com/web-platform-dx/web-features/pull/2076
* Make CSS length unit descriptions consistent by @foolip in https://github.com/web-platform-dx/web-features/pull/2548
* `wasm-string-builtins`: add keys tagged in BCD by @ddbeck in https://github.com/web-platform-dx/web-features/pull/2549
* Bump @mdn/browser-compat-data from 5.6.30 to 5.6.31 by @dependabot in https://github.com/web-platform-dx/web-features/pull/2552


**Full Changelog**: https://github.com/web-platform-dx/web-features/compare/v2.18.0...v2.19.0

[ddbeck]

main

{
  "features": 1000,
  "compatKeys": 13448,
  "compatKeysUnmapped": 1927,
  "compatCoverage": 0.8956376956376957,
  "compatKeysPerFeatureMean": 13.448,
  "compatKeysPerFeatureMedian": 4,
  "compatKeysPerFeatureMode": 1,
  "currentBurndownSize": 470
}

v2.18.0

{
  "features": 983,
  "compatKeys": 13090,
  "compatKeysUnmapped": 2146,
  "compatCoverage": 0.8728412349136494,
  "compatKeysPerFeatureMean": 13.316378433367243,
  "compatKeysPerFeatureMedian": 4,
  "compatKeysPerFeatureMode": 1,
  "currentBurndownSize": 688
}