Add component definition for Fastjson. (#7788)

CHANGES.md

@@ -75,6 +75,7 @@ Release Notes.
   down metrics flush period added in 8.7.0.
 * Fix `Slow SQL sampling` not accurate, due to TopN works conflict with cache read-then-clear mechanism.
 * The persistent cache is only read when necessary.
+* Add component definition for `Alibaba Fastjson`.
 
 #### UI
 

oap-server/server-starter/src/main/resources/component-libraries.yml

@@ -380,6 +380,9 @@ AlibabaDruid:
 HikariCP:
   id: 116
   languages: Java
+Fastjson:
+  id: 117
+  languages: Java
 
 # .NET/.NET Core components
 # [3000, 4000) for C#/.NET only