ggml : add ops SOFTPLUS, EXPM1, TRI, SOLVE_TRI, CUMSUM (#17063)

ggml : add ops SOFTPLUS, EXPM1, TRI, SOLVE_TRI, CUMSUM (#17063)

* Add ops needed for new hybrid models: SOFTPLUS, EXPM1, TRI, SOLVE_TRI, CUMSUM

* Update ggml/include/ggml.h

Co-authored-by: Georgi Gerganov <redacted>
* Update tests/test-backend-ops.cpp

Co-authored-by: Georgi Gerganov <redacted>
* Code review

* Whitespace

* Update tests/test-backend-ops.cpp

Co-authored-by: Diego Devesa <redacted>
* This is actually sigmoid, duh.

* Add CONST, remove TRI_KEEP, other changes from review

* Update tests/test-backend-ops.cpp

Co-authored-by: Georgi Gerganov <redacted>
* Update ggml/src/ggml.c

Co-authored-by: Georgi Gerganov <redacted>
* Update ggml/src/ggml.c

Co-authored-by: Georgi Gerganov <redacted>
* Update ggml/src/ggml-cuda/unary.cu

Co-authored-by: Aman Gupta <redacted>
* Remove extra script

* Update ggml/src/ggml.c

Co-authored-by: Diego Devesa <redacted>
* Update tests/test-backend-ops.cpp

Co-authored-by: Diego Devesa <redacted>
* moving changes from laptop [no ci]

* pre-rebase

* Update tests/test-backend-ops.cpp

Co-authored-by: Sigbjørn Skjæret <redacted>
* Update tests/test-backend-ops.cpp

Co-authored-by: Sigbjørn Skjæret <redacted>
* Refactor tests

* ggml : cleanup

* cont : fix ggml_fill srcs

* tests : add note

* ggml : add ggml_fill_inplace

* ggml : add asserts

* ggml : fix ggml_fill constant cast

* cont : ggml_tri minor

* Use TENSOR_LOCALS

* Fix regression from #14596, regenerate

* Don't make commits at night...

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Co-authored-by: Georgi Gerganov <redacted>
Co-authored-by: Diego Devesa <redacted>
Co-authored-by: Aman Gupta <redacted>
Co-authored-by: Sigbjørn Skjæret <redacted>