ci: fix swiftshader rate limit exceeded #1290

Job	Run time
Android (ubuntu-latest, aarch64-linux-android)	8m 20s
cargo-deny	1m 4s
Lint	6m 5s
Test (windows-latest)	20m 5s
Difftest (windows-latest)	25m 41s
Compiletest (macOS-latest)	7m 53s
Difftest (macOS-latest)	19m 7s
Compiletest (windows-latest)	17m 38s
Difftest (ubuntu-latest)	14m 50s
Test (ubuntu-latest)	11m 29s
Test (macOS-latest)	11m 52s
Compiletest (ubuntu-latest)	8m 11s
test_success	2s
	2h 32m 17s

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