test: mark test-zlib.zlib-binding.deflate as flaky

test-zlib.zlib-binding.deflate is failing continuously in our CI,
leaving us with 1% successful builds during the last 100 runs. This
commit marks the test as flaky while the issue is not resolved.

Ref: nodejs#20907

test/async-hooks/async-hooks.status

@@ -0,0 +1,22 @@
+prefix async-hooks
+
+# 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
+
+[$system==win32]
+
+[$system==linux]
+test-zlib.zlib-binding.deflate: PASS,FLAKY
+
+[$system==macos]
+
+[$arch==arm || $arch==arm64]
+
+[$system==solaris] # Also applies to SmartOS
+
+[$system==freebsd]
+
+[$system==aix]