Bump tempfile from 3.14.0 to 3.15.0 #1177

Job	Run time
sanity / Check	3m 12s
sanity / Validate commit messages	4s
sanity / Test documentation	3m 50s
sanity / Clippy	3m 30s
sanity / Rustfmt	4s
sanity / Sort dependencies	23s
sanity / Unused dependencies	53s
build and test macOS-aarch64	2m 53s
build and test Linux-x86_64-musl	6m 21s
build Windows-x86_64	5m 0s
backwards_compatibility / check_commit_message	5s
backwards_compatibility / build_and_test	1m 30s
finalize_pr	1s
	27m 46s

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