omni: change branch refs to 13.0

Change-Id: I07996ea076918aae2868a3e8c82d3920d9ab5b0f
diff --git a/utils/aosp-merge.sh b/utils/aosp-merge.sh
index d3c4587..519401c 100755
--- a/utils/aosp-merge.sh
+++ b/utils/aosp-merge.sh
@@ -24,7 +24,7 @@
 
 branch_name=${ref}"-merge"
 
-branch_current="android-12.1"
+branch_current="android-13.0"
 
 cd ../../../
 
diff --git a/utils/aosp-push-merge.sh b/utils/aosp-push-merge.sh
index 5ffa785..e7a27a1 100755
--- a/utils/aosp-push-merge.sh
+++ b/utils/aosp-push-merge.sh
@@ -25,7 +25,7 @@
 
 url="gerrit.omnirom.org"
 port="29418"
-branch="android-12.1"
+branch="android-13.0"
 
 cd ../../../
 
diff --git a/utils/caf-merge.sh b/utils/caf-merge.sh
index 34c0336..bee7ad1 100755
--- a/utils/caf-merge.sh
+++ b/utils/caf-merge.sh
@@ -24,7 +24,7 @@
 
 branch_name=${ref}"-merge"
 
-branch_current="android-12.1"
+branch_current="android-13.0"
 
 cd ../../../
 
diff --git a/utils/fork_aosp.sh b/utils/fork_aosp.sh
index b1596d0..bccada7 100755
--- a/utils/fork_aosp.sh
+++ b/utils/fork_aosp.sh
@@ -4,8 +4,8 @@
 
 # Configuration
 PREFIX=android_
-BRANCH=android-12.1
-SOURCE=android-12.1.0_r<INSERT_CORRECT_TAG>
+BRANCH=android-13.0
+SOURCE=android-13.0.0_r<INSERT_CORRECT_TAG>
 USERNAME=<INSERT USER>
 TOKEN=<INSERT TOKEN>
 MANIFEST=android/default.xml
diff --git a/utils/fork_github.sh b/utils/fork_github.sh
index e869325..c11d3d7 100755
--- a/utils/fork_github.sh
+++ b/utils/fork_github.sh
@@ -13,7 +13,7 @@
 ##
 USERNAME=<INSERT USER>
 TOKEN=<INSERT TOKEN>
-BRANCH=android-12.1
+BRANCH=android-13.0
 GERRIT=gerrit.omnirom.org
 GITHUB_ORG=omnirom