Add missed pulsar-client-go and pulsar-function-go to src package. (#4596)

diff --git a/distribution/server/src/assemble/src.xml b/distribution/server/src/assemble/src.xml
index 516528a..a32374e 100644
--- a/distribution/server/src/assemble/src.xml
+++ b/distribution/server/src/assemble/src.xml
@@ -38,6 +38,8 @@
         <include>**/pom.xml</include>
         <include>**/src/**</include>
         <include>**/pulsar-client-cpp/**</include>
+        <include>**/pulsar-client-go/**</include>
+        <include>**/pulsar-function-go/**</include>
         <include>**/conf/**</include>
         <include>**/bin/**</include>
         <include>**/*.txt</include>