LLTFI upgrade to LLVM19

[abrahamchan]

Closes #77

ONNX-MLIR changes are kept as a separate branch "LLTFI".

All tests (both CPP and ML) are passing as shown below.

==== Check Injection Result ====
./HardwareFaults/funcname PASS
./HardwareFaults/insttype PASS
./HardwareFaults/llfiindex PASS
./HardwareFaults/random PASS
./HardwareFaults/tracing PASS
./HardwareFaults/multiplebits PASS
./HardwareFaults/multiple-bit-flips-in-multiple-words PASS
./HardwareFaults/multiple-bit-flips-in-multiple-words-controlled PASS
==== Test Trace Tools Result ====
./Traces/factorial PASS
==== Test MakefileGeneration Tool Result ====
./MakefileGeneration/normal_IR PASS
./MakefileGeneration/readable_IR PASS
=== Overall Counts ====
Total tests: 11
Passed tests: 11
Failed tests: 0

==== Test ML/ONNX Tools Result ====
./ml_tools/compare_layer_outputs_match SKIP: onnx or pygraphviz not installed
./ml_tools/compare_layer_outputs_diff SKIP: onnx or pygraphviz not installed
./ml_tools/extend_onnx_model PASS
./ml_tools/output_onnx_graph PASS
./ml/tensorflow/train PASS
./ml/tensorflow/tf_to_onnx PASS
./ml/tensorflow/onnx_valid PASS
./ml/pytorch/export_onnx PASS
./ml/pytorch/onnx_valid PASS
./ml/onnx_to_ir/compile_mlir PASS
./ml/onnx_to_ir/translate_to_ll PASS
./ml/fault_injection/instrument PASS
./ml/fault_injection/profile PASS
./ml/fault_injection/inject PASS
./instruction_duplication/smoke PASS
./instruction_duplication/instrumentation_inserted PASS
./instruction_duplication/instruction_duplicated PASS
./instruction_duplication/no_duplication_outside_boundary PASS
./instruction_duplication/chain_duplication PASS
./instruction_duplication/operator_filtering PASS
./instruction_duplication/multiple_operator_regions PASS
=== Overall Counts ====
Total tests: 19
Passed tests: 19
Failed tests: 0