fix the authors list format

CITATION.cff

@@ -12,27 +12,27 @@ preferred-citation:
   - family-names: "Gostick"
     given-names: "Jeff"
     orcid: "https://orcid.org/0000-0001-7736-7124"
-- family-names: "Aghighi"
+  - family-names: "Aghighi"
     given-names: "Mahmoudreza"
-- family-names: "Hinebaugh"
+  - family-names: "Hinebaugh"
     given-names: "James"
-- family-names: "Tranter"
+  - family-names: "Tranter"
     given-names: "Tom"
-- family-names: "Hoeh"
+  - family-names: "Hoeh"
     given-names: "Michael A."
-- family-names: "Day"
+  - family-names: "Day"
     given-names: "Harold"
-- family-names: "Spellacy"
+  - family-names: "Spellacy"
     given-names: "Brennan"
-- family-names: "Sharqawy"
+  - family-names: "Sharqawy"
     given-names: "Mostafa H."
-- family-names: "Bazylak"
+  - family-names: "Bazylak"
     given-names: "Aimy"
-- family-names: "Burns"
+  - family-names: "Burns"
     given-names: "Lehnert"
-- family-names: "Werner"
+  - family-names: "Werner"
     given-names: "Harold"
-- family-names: "Putz"
+  - family-names: "Putz"
     given-names: "Andreas"
   doi: "10.1109/MCSE.2016.49"
   journal: "Computing in Science & Engineering"