Bump tinymce from 6.7.1 to 6.7.3 (#1773)

Bumps [tinymce](https://github.com/tinymce/tinymce/tree/HEAD/modules/tinymce) from 6.7.1 to 6.7.3.
- [Changelog](https://github.com/tinymce/tinymce/blob/develop/modules/tinymce/CHANGELOG.md)
- [Commits](https://github.com/tinymce/tinymce/commits/6.7.3/modules/tinymce)

---
updated-dependencies:
- dependency-name: tinymce
  dependency-type: direct:development
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pnpm-lock.yaml

@@ -168,7 +168,7 @@ devDependencies:
     version: 4.3.0
   tinymce:
     specifier: ^6.4.2
-    version: 6.7.1
+    version: 6.7.3
   tom-select:
     specifier: ^2.2.2
     version: 2.2.2
@@ -9030,8 +9030,8 @@ packages:
     engines: {node: '>=0.10.0'}
     dev: true
 
-  /tinymce@6.7.1:
-    resolution: {integrity: sha512-SIGJgWk2d/X59VbO+i81QfNx2EP1P5t+sza2/1So3OLGtmMBhEJMag7sN/Mo8sq4s0niwb65Z51yLju32jP11g==}
+  /tinymce@6.7.3:
+    resolution: {integrity: sha512-J7WmYIi/gt1RvZ6Ap2oQiUjzAoiS9pfV+d4GnKuZuPu8agmlAEAInNmMvMjfCNBzHv4JnZXY7qlHUAI0IuYQVA==}
     dev: true
 
   /titleize@3.0.0: