add opt homebrew bin to the possible pod search paths

Author: AlmostMatt

source/IOSResolver/src/IOSResolver.cs

@@ -445,6 +445,7 @@ protected override bool Read(string filename, Logger logger) {
     private static string[] POD_SEARCH_PATHS = new string[] {
         "/usr/local/bin",
         "/usr/bin",
+        "/opt/homebrew/bin",
     };
     // Ruby Gem executable filename.
     private static string GEM_EXECUTABLE = "gem";