d/u/metadata: yamllint

debian/upstream/metadata

 Reference:
-  Author: Daniel S. Marcus and Timothy R. Olsen and Mohana Ramaratnam and Randy L. Buckner
-  Title: "The Extensible Neuroimaging Archive Toolkit (XNAT): An informatics platform for managing, exploring, and sharing neuroimaging data."
+  Author: >
+   Daniel S. Marcus and Timothy R. Olsen and Mohana Ramaratnam and Randy
+   L. Buckner
+  Title: >
+   The Extensible Neuroimaging Archive Toolkit (XNAT): An informatics
+   platform for managing, exploring, and sharing neuroimaging data.
   Journal: Neuroinformatics
   Year: 2007
   Volume: 5
@@ -9,4 +13,5 @@ Reference:
   DOI: 10.1385/NI:5:1:11
   PMID: 17426351
   URL: https://link.springer.com/article/10.1385/NI:5:1:11
-  eprint: https://wiki.xnat.org/download/attachments/5014212/xnat_neuroinformatics.pdf
+  eprint: >
+   https://wiki.xnat.org/download/attachments/5014212/xnat_neuroinformatics.pdf