fix(tests): exclude Playwright e2e tests from bun test runner #5624

Job	Run time
build-and-check	2m 46s
test-integration-packages/internal	1m 8s
test-integration-packages/billing	1m 12s
test-integration-sdk	47s
test-integration-common	41s
test-integration-cli	47s
test-.agents	1m 6s
test-integration-packages/agent-runtime	46s
test-integration-web	39s
test-packages/agent-runtime	46s
test-sdk	38s
test-packages/internal	53s
test-web	1m 12s
test-common	48s
test-packages/billing	47s
test-cli	47s
	15m 43s

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