add flatbuffers v2.0.0 (#458)

* add flatbuffers v2.0.0

* Update default.cmake

Co-authored-by: Rahul Sheth <rahul@snap.com>

Author: amalone-scwx

cmake/configs/default.cmake

@@ -275,7 +275,7 @@ hunter_default_version(ffmpeg VERSION n4.1-dev-45499e557c-p7)
 hunter_default_version(fft2d VERSION 1.0.0-p0)
 hunter_default_version(filament VERSION 1.9.8)
 hunter_default_version(fixesproto VERSION 5.0)
-hunter_default_version(flatbuffers VERSION 1.12.0)
+hunter_default_version(flatbuffers VERSION 2.0.0)
 hunter_default_version(flex VERSION 2.6.4)
 hunter_default_version(fmt VERSION 7.1.2)
 hunter_default_version(folly VERSION 2018.10.22.00-p4)

cmake/projects/flatbuffers/hunter.cmake

@@ -53,6 +53,17 @@ hunter_add_version(
     8c047d1d843a29072702ee09ec7ecbce00636433
 )
 
+hunter_add_version(
+    PACKAGE_NAME
+    flatbuffers
+    VERSION
+    2.0.0
+    URL
+    "https://github.com/google/flatbuffers/archive/v2.0.0.tar.gz"
+    SHA1
+    9bdc88f875bd1923403de8956ec125328a0f0bab
+)
+
 if(ANDROID OR IOS)
 hunter_cmake_args(
     flatbuffers