ci: Update templates when bumping WXT version

This closes #2018

scripts/bump-package-version.ts

@@ -9,6 +9,7 @@ import spawn from 'nano-spawn';
 import { getPkgTag, grabPackageDetails, listCommitsInDir } from './git';
 import { consola } from 'consola';
 import fs from 'fs-extra';
+import path from 'node:path';
 
 const pkg = process.argv[2];
 if (pkg == null) {
@@ -81,8 +82,36 @@ const newChangelog =
 await fs.writeFile(changelogPath, newChangelog, 'utf8');
 consola.success('Updated changelog');
 
+// Update WXT version in templates when releasing wxt package
+const templatePkgJsonPaths: string[] = [];
+if (pkg === 'wxt') {
+  const templatesDir = 'templates';
+  const templateDirs = await fs.readdir(templatesDir);
+  for (const templateDir of templateDirs) {
+    const templatePkgJsonPath = path.join(
+      templatesDir,
+      templateDir,
+      'package.json',
+    );
+    if (await fs.pathExists(templatePkgJsonPath)) {
+      const templatePkgJson = await fs.readJson(templatePkgJsonPath);
+      if (templatePkgJson.devDependencies?.wxt) {
+        templatePkgJson.devDependencies.wxt = `^${newVersion}`;
+        await fs.writeJson(templatePkgJsonPath, templatePkgJson, { spaces: 2 });
+        templatePkgJsonPaths.push(templatePkgJsonPath);
+        consola.success(`Updated wxt version in ${templatePkgJsonPath}`);
+      }
+    }
+  }
+}
+
 // Commit changes
-await spawn('git', ['add', pkgJsonPath, changelogPath]);
+await spawn('git', [
+  'add',
+  pkgJsonPath,
+  changelogPath,
+  ...templatePkgJsonPaths,
+]);
 await spawn('git', [
   'commit',
   '-m',