tempfile: add new_with_modes and is_named methods #1776

Job	Run time
Rustfmt	15s
Check Cross-Compilation on Windows (stable)	1m 7s
Check Cross-Compilation on Windows (beta)	1m 9s
Check Cross-Compilation (stable)	1m 28s
Check Cross-Compilation on Rust nightly (nightly)	2m 22s
Check Cross-Compilation (beta)	1m 36s
Check Cross-Compilation on Rust nightly on Windows (nightly)	59s
Test (stable)	35s
Test linux-raw support (ubuntu)	36s
Test (windows-latest)	23s
Test with Rust nightly (ubuntu)	37s
Test linux-raw support (ubuntu-22.04)	36s
Test on Musl (ubuntu)	57s
Test (windows-2019)	24s
Test with Rust nightly (windows)	1m 0s
Test (macos-latest)	22s
Test (macos-13)	37s
Fuzz Targets	56s
Test (msrv)	3m 9s
Test (beta)	36s
Test (ubuntu-22.04)	35s
Test (aarch64-ubuntu)	36s
	20m 55s

Provide feedback