fix: replace vv in commitMessage

lib/workers/repository/updates/generate.js

@@ -81,6 +81,10 @@ function generateBranchConfig(branchUpgrades) {
     upgrade.commitMessage = handlebars.compile(upgrade.commitMessage)(upgrade);
     upgrade.commitMessage = upgrade.commitMessage.trim(); // Trim exterior whitespace
     upgrade.commitMessage = upgrade.commitMessage.replace(/\s+/g, ' '); // Trim extra whitespace inside string
+    upgrade.commitMessage = upgrade.commitMessage.replace(
+      /to vv(\d)/,
+      'to v$1'
+    );
     if (upgrade.toLowerCase) {
       // We only need to lowercvase the first line
       const splitMessage = upgrade.commitMessage.split('\n');