added ExprTk dependency and build clean-up #2051

Job	Run time
Update the docker container if it is modified	6s
gcc-14 \| Release	59m 18s
gcc-14 \| Debug	32m 52s
gcc-13 \| Release	27m 0s
gcc-13 \| Debug	28m 12s
clang-18, \| Release	23m 22s
clang-18, \| Debug	29m 59s
emcc \| Release	1h 36m 12s
emcc \| Debug	1h 24m 10s
	6h 21m 11s

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