Update Yamato scripts to target 6000.2

Author: bholmes

.yamato/Collate Builds.yml

@@ -21,13 +21,13 @@ triggers:
   pull_requests:
     - targets:
         only:
-          - "unity-6000.1-mbe"
+          - "unity-6000.2-mbe"
   branches:
     only:
-      - "unity-6000.1-mbe"
+      - "unity-6000.2-mbe"
   cancel_old_ci: true
   recurring:
-    - branch: unity-6000.1-mbe
+    - branch: unity-6000.2-mbe
       frequency: daily # Should run between midnight and 6AM UTC
 
 artifacts: 

.yamato/Run IL2CPP Tests.yml

@@ -11,7 +11,7 @@ agent:
   flavor: b1.xlarge 
 
 variables:
-  BACKPORT_BRANCH: "6000.1"
+  BACKPORT_BRANCH: "6000.2"
 
 dependencies:
   - .yamato/Publish To Stevedore.yml
@@ -20,7 +20,7 @@ triggers:
   pull_requests:
     - targets:
         only:
-          - "unity-6000.1-mbe"
+          - "unity-6000.2-mbe"
 
 # YAMATO_SOURCE_DIR=C:\build\output\Unity-Technologies\mono (mono repo checkout) - all command steps start in here
 # YAMATO_WORK_DIR=C:\build\output

.yamato/Update Il2cpp-deps.yml

@@ -5,7 +5,7 @@ agent:
   flavor: b1.xlarge 
 variables:
   MONO_REV: "latest"
-  BACKPORT_BRANCH: "6000.1"
+  BACKPORT_BRANCH: "6000.2"
 dependencies:
   - .yamato/Publish To Stevedore.yml
 commands: