Add the declarations file for pytorch 2.5. #999

Job	Run time
Clippy	52s
Rustfmt	9s
Test Suite (ubuntu-latest, stable)	1m 27s
Check (ubuntu-latest, stable)	1m 14s
Test Suite (ubuntu-latest, nightly)	1m 23s
Check (ubuntu-latest, nightly)	1m 18s
Test Suite (macOS-latest, stable)	1m 3s
Check (windows-2019, stable)	3m 0s
Test Suite (macOS-latest, nightly)	1m 10s
Check (windows-2019, nightly)	2m 11s
Check (macOS-latest, stable)	1m 25s
Check (macOS-latest, nightly)	58s
	16m 10s

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