Build(deps-dev): Bump sass in /app/assets/javascripts (#22723)

Bumps [sass](https://github.com/sass/dart-sass) from 1.63.6 to 1.64.0.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sass/dart-sass/compare/1.63.6...1.64.0)

---
updated-dependencies:
- dependency-name: sass
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

app/assets/javascripts/discourse/package.json

@@ -91,7 +91,7 @@
     "pretender": "^3.4.7",
     "qunit": "^2.19.4",
     "qunit-dom": "^2.0.0",
-    "sass": "^1.63.6",
+    "sass": "^1.64.0",
     "select-kit": "1.0.0",
     "sinon": "^15.2.0",
     "source-map": "^0.7.4",

app/assets/javascripts/yarn.lock

@@ -8435,10 +8435,10 @@ sane@^5.0.1:
     minimist "^1.1.1"
     walker "~1.0.5"
 
-sass@^1.63.6:
-  version "1.63.6"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.63.6.tgz#481610e612902e0c31c46b46cf2dad66943283ea"
-  integrity sha512-MJuxGMHzaOW7ipp+1KdELtqKbfAWbH7OLIdoSMnVe3EXPMTmxTmlaZDCTsgIpPCs3w99lLo9/zDKkOrJuT5byw==
+sass@^1.64.0:
+  version "1.64.0"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.64.0.tgz#9ca8d0acb1a704b86b7f1197dc310f568fb34638"
+  integrity sha512-m7YtAGmQta9uANIUJwXesAJMSncqH+3INc8kdVXs6eV6GUC8Qu2IYKQSN8PRLgiQfpca697G94klm2leYMxSHw==
   dependencies:
     chokidar ">=3.0.0 <4.0.0"
     immutable "^4.0.0"