chore: rename compiler to concrete-compiler

zamalang => concretelang
zamacompiler => concretecompiler

compiler/lib/Support/Error.cpp

@@ -1,15 +1,15 @@
 // Part of the Concrete Compiler Project, under the BSD3 License with Zama Exceptions.
 // See https://github.com/zama-ai/homomorphizer/blob/master/LICENSE.txt for license information.
 
-#include <zamalang/Support/Error.h>
+#include <concretelang/Support/Error.h>
 
 namespace mlir {
-namespace zamalang {
+namespace concretelang {
 // Specialized `operator<<` for `llvm::Error` that marks the error
 // as checked through `std::move` and `llvm::toString`
 StreamStringError &operator<<(StreamStringError &se, llvm::Error &err) {
   se << llvm::toString(std::move(err));
   return se;
 }
-} // namespace zamalang
+} // namespace concretelang
 } // namespace mlir