Fix authors in metadata

Author: orviz

content/metadata.yaml

@@ -8,45 +8,39 @@ keywords:
   - service deployment
   - agile development
 lang: en-US
-author_info:
-  -
-    github: orviz
+authors:
+  - github: orviz
     name: Pablo Orviz
     orcid: 0000-0002-2473-6405
     email: [email protected]
     affiliations:
       - Spanish National Research Council (CSIC)
       - Institute of Physics of Cantabria (IFCA)
-  -
-    github: mariojmdavid
+  - github: mariojmdavid
     name: Mario David
     orcid: 0000-0003-1802-5356
     email: [email protected]
     affiliations:
       - Laboratory of Instrumentation and Experimental Particle Physics (LIP)
-  -
-    github: jorge-lip
+  - github: jorge-lip
     name: Jorge Gomes
     orcid: 0000-0002-9142-2596
     email: [email protected]
     affiliations:
       - Laboratory of Instrumentation and Experimental Particle Physics (LIP)
-  -
-    github: jopina
+  - github: jopina
     name: Joao Pina
     orcid: 0000-0001-8959-5044
     email: [email protected]
     affiliations:
       - Laboratory of Instrumentation and Experimental Particle Physics (LIP)
-  -
-    github: samuelbernardolip
+  - github: samuelbernardolip
     name: Samuel Bernardo
     orcid: 0000-0002-6175-4012
     email: [email protected]
     affiliations:
       - Laboratory of Instrumentation and Experimental Particle Physics (LIP)
-  -
-    github: isabel-campos-plasencia
+  - github: isabel-campos-plasencia
     name: Isabel Campos
     orcid: 0000-0002-9350-0383
     email: [email protected]