chore: Re-ignore stress tests in solaris #5192

Job	Run time
test on netbsd	5m 14s
test on freebsd	3m 54s
audit	24s
lint	1m 22s
features (ubuntu-latest)	1h 26m 30s
features (macos-latest)	24m 25s
msrv	1m 9s
features (windows-latest)	48m 42s
test (ubuntu-latest, stable)	1m 27s
test-android (x86_64-linux-android, x86_64, 26)	3m 3s
test (ubuntu-latest, beta)	1m 29s
test-aws-lc-rs	1m 52s
test (macos-latest, stable)	1m 9s
test-android (i686-linux-android, x86, 26)	3m 0s
test (windows-latest, stable)	3m 45s
test on illumos	6m 38s
test on solaris	7m 36s
test wasm32-unknown-unknown	1m 12s
	3h 22m 51s

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