Update to nightly-2025-08-04. #1296

Job	Run time
Lint	51s
Android (ubuntu-latest, aarch64-linux-android)	3m 5s
Test (macOS-latest)	3m 11s
cargo-deny	1m 30s
Test (ubuntu-latest)	2m 55s
Difftest (ubuntu-latest)	3m 5s
Test (windows-latest)	3m 1s
Difftest (windows-latest)	2m 59s
Compiletest (windows-latest)	3m 3s
Compiletest (macOS-latest)	3m 6s
Compiletest (ubuntu-latest)	3m 5s
Difftest (macOS-latest)	3m 8s
test_success	2s
	33m 1s

Provide feedback