Flipper Release: v0.23.2

Summary:
## Export Data

- Add close button to the export sheet.
- Show status updates while exporting Flipper data.
- Fix Fresco data export (0c0f0d4a90).

## Headless

- `select-plugins` cli argument added for the headless flipper

## Miscellaneous

- Generate TLS certificates in the past to allow for clock skew. (9a97b3b45b)
- Speed up Redux dev tools (ce93ecfcca)
- Add stricter ESLint rules.
- Speed up `yarn start` (10559a188f).

Reviewed By: passy

Differential Revision: D16418562

fbshipit-source-id: 8ab9c3264c2a367125f8235dd07129e67441a0e4

Flipper.podspec

@@ -1,4 +1,4 @@
-flipperkit_version = '0.23.1'
+flipperkit_version = '0.23.2'
 Pod::Spec.new do |spec|
   spec.name = 'Flipper'
   spec.version = flipperkit_version