Removed author in some indicators

Author: andriumon

indicators/functional_correctness.json

@@ -24,7 +24,7 @@
     "@type": "schema:Organization",
     "name": "University of Padova"
   },
-  "contactPoint": {
+  "contact": {
     "@type": "schema:Person",
     "name": "Gavin Farrell",
     "email": "gavinmichael.farrell@studenti.unipd.it"

indicators/static_analysis_common_vulnerabilities.json

@@ -19,7 +19,7 @@
         "name": "OpenSSF",
         "url": "https://openssf.org/"
     },
-    "contactPoint": {
+    "contact": {
         "@type": "schema:Person",
         "name": "Thomas Vuillaume",
         "email": "thomas.vuillaume@lapp.in2p3.fr"

indicators/support_issue_tracking.json

@@ -19,7 +19,7 @@
         "name": "OpenSSF",
         "url": "https://openssf.org/"
     },
-    "contactPoint": {
+    "contact": {
         "@type": "schema:Person",
         "name": "Federica Quaglia",
         "email": "federica.quaglia@unipd.it"