chore(deps): bump lettersanitizer from 1.0.6 to 1.0.8

This release includes a [patch][1] that fixes an [issue][2] affecting
Chatwoot: in some cases, if you receive a malformed email with
deeply-nested tags considered unvalid by `lettersanitizer`, just
selecting the email in your inbox causes the browser tab or even the
whole computer to freeze, due to RAM exhaustion.

[1]: mat-sz/lettersanitizer#10
[2]: GHSA-hhw2-373g-hx77

Also, bump vue-letter from 0.2.1 to 0.2.2, which bumped its own
lettersanitizer dependency to 1.0.8.

Author: bfontaine

package.json

@@ -78,7 +78,7 @@
     "idb": "^8.0.0",
     "js-cookie": "^3.0.5",
     "json-logic-js": "^2.0.5",
-    "lettersanitizer": "^1.0.6",
+    "lettersanitizer": "^1.0.8",
     "libphonenumber-js": "^1.11.9",
     "markdown-it": "^14.1.1",
     "markdown-it-link-attributes": "^4.0.1",
@@ -104,7 +104,7 @@
     "vue-datepicker-next": "^1.0.3",
     "vue-dompurify-html": "^5.3.0",
     "vue-i18n": "9.14.5",
-    "vue-letter": "^0.2.1",
+    "vue-letter": "^0.2.2",
     "vue-router": "~4.4.5",
     "vue-upload-component": "^3.1.17",
     "vue3-click-away": "^1.2.4",