Merge #18286: build: Add locale fuzzer to FUZZERS_MISSING_CORPORA (and unbreak Travis! :))

0d0bc3b build: Add locale fuzzer to FUZZERS_MISSING_CORPORA (practicalswift)

Pull request description:

  Add `locale` fuzzer to `FUZZERS_MISSING_CORPORA`.

  This is a follow-up to #18126 which broke Travis. Sorry about that :)

ACKs for top commit:
  fanquake:
    ACK 0d0bc3b

Tree-SHA512: c0968dc798839f87c891d1dfccf5541883ac56b51a29f52244e78c221c9c087d2dea0a959612d907d53b29fca1f486b340227b17653227ecbf6ca5ab0e85b0d3

Author: fanquake

test/fuzz/test_runner.py

@@ -30,6 +30,7 @@
     "integer",
     "key",
     "key_origin_info_deserialize",
+    "locale",
     "merkle_block_deserialize",
     "out_point_deserialize",
     "p2p_transport_deserializer",