Fix signature for tar ball

 Changes to be committed:
	modified:   ucx.signatures.json

SPECS/ucx/ucx.signatures.json

@@ -1,5 +1,5 @@
 {
  "Signatures": {
-  "ucx-1.18.0.tar.gz": "b920a4275faf6a3b3f2ea076721de5ff1745bc222c936c1b594639670527dac8"
+  "ucx-1.18.0.tar.gz": "a1b1bcf669ee8da2e52ec78bc59e5be5ab3228052f7c7bce0ff569f5fe47ace2"
  }
 }