tempfile: add new_with_modes and is_named methods #1780

Job	Run time
Check Cross-Compilation on Windows (stable)	2m 5s
Check Cross-Compilation on Windows (beta)	1m 44s
Check Cross-Compilation on Rust nightly on Windows (nightly)	2m 5s
Check Cross-Compilation on Rust nightly (nightly)	1m 46s
Check Cross-Compilation (stable)	1m 29s
Rustfmt	14s
Check Cross-Compilation (beta)	1m 21s
Test (stable)	37s
Test linux-raw support (ubuntu)	42s
Test on Musl (ubuntu)	54s
Test (windows-latest)	26s
Test linux-raw support (ubuntu-22.04)	38s
Test with Rust nightly (ubuntu)	36s
Test (windows-2019)	24s
Test with Rust nightly (windows)	2m 4s
Test (macos-latest)	24s
Fuzz Targets	42s
Test (macos-13)	33s
Test (msrv)	3m 10s
Test (beta)	38s
Test (ubuntu-22.04)	37s
Test (aarch64-ubuntu)	36s
	23m 45s

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