Update c-ares to latest

Summary: Update c-ares to the latest version 1.34.6

Reviewed By: sharmafb

Differential Revision: D93797083

fbshipit-source-id: 1f6b09836db2f33b30217c3df2e06911dc53d4e9

Author: sandarsh

build/fbcode_builder/manifests/c-ares

@@ -2,12 +2,12 @@
 name = c-ares
 
 [download]
-url = https://github.com/c-ares/c-ares/releases/download/v1.34.5/c-ares-1.34.5.tar.gz
-sha256 = 7d935790e9af081c25c495fd13c2cfcda4792983418e96358ef6e7320ee06346
+url = https://github.com/c-ares/c-ares/releases/download/v1.34.6/c-ares-1.34.6.tar.gz
+sha256 = 912dd7cc3b3e8a79c52fd7fb9c0f4ecf0aaa73e45efda880266a2d6e26b84ef5
 
 [build]
 builder = cmake
-subdir = c-ares-1.34.5
+subdir = c-ares-1.34.6
 
 [cmake.defines]
 CARES_STATIC = ON