Flipper Release: v0.12.0

Summary:
- Docs for UI components are now automatically published: https://fbflipper.com/docs/ui-components.html
- Stop caching source files in dev mode: ad98ba3235
- `createTablePlugin` now uses persisted State: db42e8e970
- HTML in network responses now gets formatted: a56d7d5d72
- Notification filters are persisted between sessions: 9fb3a56303
- Prevent Flipper SDK crashes from bringing down Android apps: ddbb3c7f89
- Fix Android devices from not showing up: a6765deec6

Full commit log since the last release available here: https://github.com/facebook/flipper/compare/v0.11.1...v0.12.0

Reviewed By: jknoxville

Differential Revision: D13153344

fbshipit-source-id: e67e2ac9469b2a5ef58d1963a38b1c8f448bd4fb

iOS/FlipperKit.podspec

@@ -1,7 +1,7 @@
 folly_compiler_flags = '-DFLIPPER_OSS=1 -DFB_SONARKIT_ENABLED=1 -DFOLLY_NO_CONFIG -DFOLLY_MOBILE=1 -DFOLLY_USE_LIBCPP=1 -DFOLLY_HAVE_LIBGFLAGS=0 -DFOLLY_HAVE_LIBJEMALLOC=0 -DFOLLY_HAVE_PREADV=0 -DFOLLY_HAVE_PWRITEV=0 -DFOLLY_HAVE_TFO=0 -DFOLLY_USE_SYMBOLIZER=0'
 yoga_version = '~> 1.9'
 yogakit_version = '~>1.8'
-flipperkit_version = '0.11.1'
+flipperkit_version = '0.12.0'
 Pod::Spec.new do |spec|
   spec.name = 'FlipperKit'
   spec.version = flipperkit_version