fix: pkg: remove ``$ODOO_VERSION`` from ``repos.yaml``

odoo/custom/src/repos.yaml

@@ -9,8 +9,8 @@
     ocb: https://github.com/OCA/OCB.git
     odoo: https://github.com/odoo/odoo.git
     openupgrade: https://github.com/OCA/OpenUpgrade.git
-  target: ocb $ODOO_VERSION
+  target: ocb 14.0
   merges:
-    - ocb $ODOO_VERSION
+    - ocb 14.0
     # Example of a merge of the PR with the number <PR>
     # - oca refs/pull/<PR>/head