[flang][cuda][NFC] Update binary name (#137034)

Name was changed in https://github.com/llvm/llvm-project/pull/135478
diff --git a/flang/lib/Optimizer/Dialect/CUF/CUFToLLVMIRTranslation.cpp b/flang/lib/Optimizer/Dialect/CUF/CUFToLLVMIRTranslation.cpp
index 7ed7f35..5c4e417 100644
--- a/flang/lib/Optimizer/Dialect/CUF/CUFToLLVMIRTranslation.cpp
+++ b/flang/lib/Optimizer/Dialect/CUF/CUFToLLVMIRTranslation.cpp
@@ -28,7 +28,7 @@
                              llvm::IRBuilderBase &builder,
                              LLVM::ModuleTranslation &moduleTranslation) {
   std::string binaryIdentifier =
-      op.getName().getLeafReference().str() + "_bin_cst";
+      op.getName().getLeafReference().str() + "_binary";
   llvm::Module *module = moduleTranslation.getLLVMModule();
   llvm::Value *binary = module->getGlobalVariable(binaryIdentifier, true);
   if (!binary)