Fix exmple type to example for fields.yml and process.yml

fields.yml

@@ -1363,7 +1363,7 @@
           type: long
           description: >
             Process id.
-          exmple: ssh
+          example: ssh
 
         - name: name
           level: extended

generated/ecs/ecs_flat.yml

@@ -2147,7 +2147,7 @@ process.name:
   type: keyword
 process.pid:
   description: Process id.
-  exmple: ssh
+  example: ssh
   flat_name: process.pid
   level: core
   name: pid

generated/ecs/ecs_nested.yml

@@ -2457,7 +2457,7 @@ process:
       type: keyword
     pid:
       description: Process id.
-      exmple: ssh
+      example: ssh
       flat_name: process.pid
       level: core
       name: pid

schemas/process.yml

@@ -17,7 +17,7 @@
       type: long
       description: >
         Process id.
-      exmple: ssh
+      example: ssh
 
     - name: name
       level: extended