Merge bitcoin/bitcoin#22202: test: Add temporary coinstats suppressions

faca40e test: Add temporary coinstats suppressions (MarcoFalke)

Pull request description:

  Needed for my fuzzer to continue to run

ACKs for top commit:
  practicalswift:
    cr ACK faca40e: suppression looks necessary (temporarily)

Tree-SHA512: 5bdff9a24a60546cfe31e775fa2aa5e238aefda2ed2604bef18c82b1b80c51ca3cbe058d6c7988fa75305258b70076036a3e430b9b7de13a111309fa7a66745b

Author: MarcoFalke

test/sanitizer_suppressions/ubsan

@@ -34,6 +34,9 @@ unsigned-integer-overflow:crypto/
 unsigned-integer-overflow:FuzzedDataProvider.h
 unsigned-integer-overflow:hash.cpp
 unsigned-integer-overflow:leveldb/
+# temporary coinstats suppressions (will be removed and fixed in https://github.com/bitcoin/bitcoin/pull/22146)
+unsigned-integer-overflow:node/coinstats.cpp
+signed-integer-overflow:node/coinstats.cpp
 unsigned-integer-overflow:policy/fees.cpp
 unsigned-integer-overflow:prevector.h
 unsigned-integer-overflow:pubkey.h