fix: Accented characters issue with variables in canned response (#10947)

# Pull Request Template

## Description

This PR fixes the issue with accented characters in variable
capitalization in canned responses.
#### **Utils PR** : https://github.com/chatwoot/utils/pull/46


Fixes https://linear.app/chatwoot/issue/CW-4068/issue-with-variables

## Type of change

- [x] Bug fix (non-breaking change which fixes an issue)

## How Has This Been Tested?

### **Screen recordings**

#### **Before**

https://github.com/user-attachments/assets/82e94fd3-5839-46e4-bd2b-59e46a2fabc6

#### **After**

https://github.com/user-attachments/assets/110b7677-bef9-41d2-816e-31c0b5350646

## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [ ] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

package.json

@@ -34,7 +34,7 @@
     "@breezystack/lamejs": "^1.2.7",
     "@chatwoot/ninja-keys": "1.2.3",
     "@chatwoot/prosemirror-schema": "1.1.1-next",
-    "@chatwoot/utils": "^0.0.39",
+    "@chatwoot/utils": "^0.0.40",
     "@formkit/core": "^1.6.7",
     "@formkit/vue": "^1.6.7",
     "@hcaptcha/vue3-hcaptcha": "^1.3.0",