MDEV-40961 fix SBOM generation - randomize UUID

Previously UUID appeared to be constant. Add randomizer to it.

Author: vaintroub

cmake/generate_sbom.cmake

@@ -303,7 +303,8 @@ FUNCTION(GENERATE_SBOM)
     STRING(APPEND reflist ",\n    {\"ref\": \"${bom_ref}\"}")
   ENDFOREACH()
   STRING(APPEND sbom_dependencies "\n      ]\n    }${reflist}\n")
-  STRING(UUID UUID NAMESPACE ee390ca3-e70f-4b35-808e-a512489156f5 NAME SBOM TYPE SHA1)
+  STRING(RANDOM LENGTH 20 rnd)
+  STRING(UUID UUID NAMESPACE ee390ca3-e70f-4b35-808e-a512489156f5 NAME SBOM-${rnd} TYPE SHA1)
   STRING(TIMESTAMP TIMESTAMP "%Y-%m-%dT%H:%M:%SZ" UTC)
   EXTRACT_REPO_NAME_AND_USER("${GIT_REMOTE_ORIGIN_URL}" GITHUB_REPO_NAME GITHUB_REPO_USER)
   #github-purl needs lowercased user and project names