CBD-5866, advanced build repo SHA (#6783)

Latest build repo change removes hardcoded UBUNTU version in the build script.
This is necessary for upgrading build agent to ubuntu20.

-Ming

Author: mhocouchbase

manifest/3.1.xml

@@ -17,7 +17,7 @@ licenses/APL2.txt.
 
   <!-- Build Scripts (required on CI servers) -->
   <project name="product-texts" path="product-texts" remote="couchbase"/>
-  <project name="build" path="cbbuild" remote="couchbase" revision="844e2484067053d7af88e706a814766265bf03df">
+  <project name="build" path="cbbuild" remote="couchbase" revision="92d1600df77539f894d467740ca193643351f057">
     <annotation name="VERSION" value="3.1.5"     keep="true"/>
     <annotation name="BLD_NUM" value="@BLD_NUM@" keep="true"/>
     <annotation name="RELEASE" value="@RELEASE@" keep="true"/>

manifest/4.0.xml

@@ -17,7 +17,7 @@ licenses/APL2.txt.
 
   <!-- Build Scripts (required on CI servers) -->
   <project name="product-texts" path="product-texts" remote="couchbase"/>
-  <project name="build" path="cbbuild" remote="couchbase" revision="844e2484067053d7af88e706a814766265bf03df">
+  <project name="build" path="cbbuild" remote="couchbase" revision="92d1600df77539f894d467740ca193643351f057">
     <annotation name="VERSION" value="4.0.0"     keep="true"/>
     <annotation name="BLD_NUM" value="@BLD_NUM@" keep="true"/>
     <annotation name="RELEASE" value="@RELEASE@" keep="true"/>

manifest/default.xml

@@ -17,7 +17,7 @@ licenses/APL2.txt.
 
   <!-- Build Scripts (required on CI servers) -->
   <project name="product-texts" path="product-texts" remote="couchbase"/>
-  <project name="build" path="cbbuild" remote="couchbase" revision="cedf9d4ec929eac7e61f8e86488aeac5402c8563">
+  <project name="build" path="cbbuild" remote="couchbase" revision="92d1600df77539f894d467740ca193643351f057">
     <annotation name="VERSION" value="3.2.0"     keep="true"/>
     <annotation name="BLD_NUM" value="@BLD_NUM@" keep="true"/>
     <annotation name="RELEASE" value="@RELEASE@" keep="true"/>