Bug 1995563 - Add a limit to the suite/test names in the perf schema. (#9027)

There is currently no limit set in our artifact schema, but there is a limit in the DB. This patch changes the schema to reflect the limit in our DB.

Author: gmierz

schemas/performance-artifact.json

@@ -60,7 +60,8 @@
       "properties": {
         "name": {
           "title": "Subtest name",
-          "type": "string"
+          "type": "string",
+          "maxLength": 80
         },
         "publicName": {
           "title": "Public subtest name",
@@ -132,7 +133,8 @@
       "properties": {
         "name": {
           "title": "Suite name",
-          "type": "string"
+          "type": "string",
+          "maxLength": 80
         },
         "publicName": {
           "title": "Public suite name",