Fix typo in name of CliffordPushThroughMeasures pass

Noticed this typo while testing some code that used sequences of compiler passes.

tket/src/Predicates/PassGenerators.cpp

@@ -347,7 +347,7 @@ PassPtr gen_clifford_push_through_pass() {
 
   PostConditions pc{{}, {}, Guarantee::Preserve};
   nlohmann::json j;
-  j["name"] = "CliffordPushThroughMeausres";
+  j["name"] = "CliffordPushThroughMeasures";
   return std::make_shared<StandardPass>(precons, t, pc, j);
 }