gh-146558: optimize dict access with objects with known hash #2525

Job	Run time
x86_64-pc-windows-msvc/msvc	6m 31s
aarch64-unknown-linux-gnu/gcc	6m 42s
x86_64-apple-darwin/clang	6m 40s
x86_64-unknown-linux-gnu/gcc-free-threading	6m 42s
x86_64-pc-windows-msvc/msvc-free-threading	4m 31s
aarch64-apple-darwin/clang	6m 42s
x86_64-unknown-linux-gnu/gcc	6m 41s
	44m 29s

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