Correct var names

src/main/python/ddadevops/infrastructure/infrastructure.py

@@ -232,5 +232,5 @@ class ArtifactDeploymentApi:
                                           + f'-F "attachment=@{attachment};type={attachment_type}"')
 
     def calculate_checksums(self, artifact_path: str):
-        self.execution_api.execute(f"find {build_path} -type f -exec sha256sum {{}}; | sort > {build_path} sha256sum.lst")
-        self.execution_api.execute(f"find {build_path} -type f -exec sha512sum {{}}; | sort > {build_path} sha512sum.lst")
+        self.execution_api.execute(f"find {artifact_path} -type f -exec sha256sum {{}}; | sort > {artifact_path} sha256sum.lst")
+        self.execution_api.execute(f"find {artifact_path} -type f -exec sha512sum {{}}; | sort > {artifact_path} sha512sum.lst")