🎉 release(minor): v8.12.0

📌 dependency: update yarn.lock

✨ release(patch): v8.11.1

🎉 release(minor): v8.11.0

📌 dependency: add resolutions

NOTE:
  workaround of vuepress issue: vuejs/vuepress#1417

⚡ improvement(flowtype): Fix missing type declarations in flow type (k…

…azupon#529) by @exoego

* Conform flow type declarations to TypeScript type definitions.

* Use explicit type instead of anonymous type.

🐛 bug(mixin): fix memory leak

closes kazupon#514

📦 build(vuepress): update docs

⚡ improvement(index): silence fallback warnings (kazupon#510) by @SzN…

…agyMisu

* ⚡ improvement(option): silentFallbackWarn (kazupon#139)

* feature(option): add silentFallbackWarn to VueI18n constructor
  * silence fallback warnings
  * warn only if no translation is found at all

* adding typescript property declaration

* 📝 docs(options): document silentFallbackWarn

* Update vuepress/api/README.md

Co-Authored-By: SzNagyMisu <[email protected]>

* ⚡ improvement(option): silentFallbackWarn

* include case when pathRet is not null, undefined, array, plain object or string
* provide test case

⚡ improvement(directive): Preserve directive content (kazupon#495) by @…

…bponomarenko

* feature(directive): add .preserve modifier to v-t directive

Fixes kazupon#408

* feature(index): add new preserveDirectiveContent i18nOption

* improvement(directive): preserve directive content when preserveDirectiveContent i18nOption is set to true

Fixes kazupon#408

* docs(directive): add documentation about new .preserve modifier and update examples