ci: fail fast

Author: dignifiedquire

.config/nextest.toml

@@ -21,6 +21,8 @@ slow-timeout = { period = "10s", terminate-after = 3 }
 # Give tests more time to complete.
 [profile.wine]
 slow-timeout = { period = "60s", terminate-after = 5 }
+# Run all tests even if some fail, so we get full visibility.
+fail-fast = false
 # Run tests sequentially - Wine networking can be flaky with concurrent tests.
 test-threads = 1