test: mark addons/openssl-bindings/test flaky on arm

PR-URL: #30838
Refs: #30786
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>

test/addons/addon.status

@@ -1,5 +1,11 @@
 prefix addons
 
+# To mark a test as flaky, list the test name in the appropriate section
+# below, without ".js", followed by ": PASS,FLAKY". Example:
+# sample-test                        : PASS,FLAKY
+
 [true] # This section applies to all platforms
 
-[$system==aix]
+[$arch==arm]
+# https://github.com/nodejs/node/issues/30786
+openssl-binding/test: PASS,FLAKY