Update vcpkg baseline (#3139)

Co-authored-by: Anton Kolesnyk <antkmsft@users.noreply.github.com>

Author: antkmsft

cmake-modules/AzureVcpkg.cmake

@@ -16,7 +16,7 @@ macro(az_vcpkg_integrate)
       message("AZURE_SDK_DISABLE_AUTO_VCPKG is not defined. Fetch a local copy of vcpkg.")
       # GET VCPKG FROM SOURCE
       #  User can set env var AZURE_SDK_VCPKG_COMMIT to pick the VCPKG commit to fetch
-      set(VCPKG_COMMIT_STRING 5312e9f976e89b256954f571433e34f783dd2d12) # default SDK tested commit
+      set(VCPKG_COMMIT_STRING 2c7705e70dcfb70e5f726459c3e399bd780bc1fc) # default SDK tested commit
       if(DEFINED ENV{AZURE_SDK_VCPKG_COMMIT})
         message("AZURE_SDK_VCPKG_COMMIT is defined. Using that instead of the default.")
         set(VCPKG_COMMIT_STRING "$ENV{AZURE_SDK_VCPKG_COMMIT}") # default SDK tested commit

eng/vcpkg-commit.txt

@@ -1 +1 @@
-5312e9f976e89b256954f571433e34f783dd2d12
+2c7705e70dcfb70e5f726459c3e399bd780bc1fc

vcpkg.json

@@ -1,7 +1,7 @@
 {
   "name": "azure-sdk-for-c",
   "version": "1.0.0",
-  "builtin-baseline": "5312e9f976e89b256954f571433e34f783dd2d12",
+  "builtin-baseline": "2c7705e70dcfb70e5f726459c3e399bd780bc1fc",
   "dependencies": [
     {
       "name": "curl"