use compression in examples #1584

Job	Run time
matrix-prep-os	1s
matrix-prep-bazelversion	3s
test (ubuntu-latest, 7.1.1, ., true)	5m 42s
test (ubuntu-latest, 7.1.1, ., false)	2m 31s
test (ubuntu-latest, 7.1.1, e2e/wasm, false)	5m 20s
test (ubuntu-latest, 7.1.1, e2e/smoke, true)	38s
test (ubuntu-latest, 7.1.1, e2e/smoke, false)	3m 39s
test (ubuntu-latest, 7.1.1, e2e/assertion, true)	6m 6s
test (ubuntu-latest, 6.4.0, ., true)	6m 1s
test (ubuntu-latest, 6.4.0, ., false)	2m 58s
test (ubuntu-latest, 6.4.0, e2e/wasm, false)	4m 11s
test (ubuntu-latest, 6.4.0, e2e/smoke, true)	1m 25s
test (ubuntu-latest, 6.4.0, e2e/smoke, false)	4m 0s
test (ubuntu-latest, 6.4.0, e2e/assertion, true)	6m 11s
	48m 46s

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