fix(CustomUpdater): improve regex for version

- Handle optional quotes around variable name
- Updated regex in `bumpVersion` and `getCurrentVersion`

Author: taj54

dist/index.js

@@ -6,7 +6,7 @@
  * Author: Taj <[email protected]>
  * Homepage: https://github.com/taj54/universal-version-bump#readme
  * License: MIT
- * Generated on Wed, 03 Sep 2025 15:48:20 GMT
+ * Generated on Wed, 03 Sep 2025 15:56:55 GMT
  */
 require('./sourcemap-register.js');/******/ (() => { // webpackBootstrap
 /******/ 	var __webpack_modules__ = ({
@@ -33450,7 +33450,7 @@ class CustomUpdater {
             }
             else {
                 // console.log(extension, this.filePath);
-                const regex = new RegExp(`\\$?${this.variableName}\\s*(?:=|=>|:)?\\s*['"]([0-9]+\\.[0-9]+\\.[0-9]+(?:-[A-Za-z0-9_.-]+)?(?:\\+[A-Za-z0-9_.-]+)?)['"]`);
+                const regex = new RegExp(`['"]?${this.variableName}['"]?\\s*(?:=|=>|:)?\\s*['"]([0-9]+\\.[0-9]+\\.[0-9]+(?:-[A-Za-z0-9_.-]+)?(?:\\+[A-Za-z0-9_.-]+)?)['"]`);
                 this.currentVersion = this.manifestParser.getVersion(this.filePath, 'regex', {
                     regex,
                 });
@@ -33476,7 +33476,7 @@ class CustomUpdater {
         }
         else {
             // eslint-disable-next-line no-useless-escape
-            const regexReplace = new RegExp(`(\\$?${this.variableName}\\s*(?:=|=>|:)?\\s*['"])([0-9]+\\.[0-9]+\\.[0-9]+(?:-[A-Za-z0-9_.-]+)?(?:\\+[A-Za-z0-9_.-]+)?)(['"])`);
+            const regexReplace = new RegExp(`(['"]?${this.variableName}['"]?\\s*(?:=|=>|:)?\\s*['"])([0-9]+\\.[0-9]+\\.[0-9]+(?:-[A-Za-z0-9_.-]+)?(?:\\+[A-Za-z0-9_.-]+)?)(['"])`);
             this.manifestParser.updateVersion(this.filePath, newVersion, 'regex', {
                 regexReplace,
             });

dist/index.js.map

@@ -38,7 +38,7 @@ export class CustomUpdater implements UpdaterInterface {
         // console.log(extension, this.filePath);
 
         const regex: RegExp = new RegExp(
-          `\\$?${this.variableName}\\s*(?:=|=>|:)?\\s*['"]([0-9]+\\.[0-9]+\\.[0-9]+(?:-[A-Za-z0-9_.-]+)?(?:\\+[A-Za-z0-9_.-]+)?)['"]`,
+          `['"]?${this.variableName}['"]?\\s*(?:=|=>|:)?\\s*['"]([0-9]+\\.[0-9]+\\.[0-9]+(?:-[A-Za-z0-9_.-]+)?(?:\\+[A-Za-z0-9_.-]+)?)['"]`,
         );
         this.currentVersion = this.manifestParser.getVersion(this.filePath, 'regex', {
           regex,
@@ -68,7 +68,7 @@ export class CustomUpdater implements UpdaterInterface {
     } else {
       // eslint-disable-next-line no-useless-escape
       const regexReplace: RegExp = new RegExp(
-        `(\\$?${this.variableName}\\s*(?:=|=>|:)?\\s*['"])([0-9]+\\.[0-9]+\\.[0-9]+(?:-[A-Za-z0-9_.-]+)?(?:\\+[A-Za-z0-9_.-]+)?)(['"])`,
+        `(['"]?${this.variableName}['"]?\\s*(?:=|=>|:)?\\s*['"])([0-9]+\\.[0-9]+\\.[0-9]+(?:-[A-Za-z0-9_.-]+)?(?:\\+[A-Za-z0-9_.-]+)?)(['"])`,
       );
 
       this.manifestParser.updateVersion(this.filePath, newVersion, 'regex', {