Build(deps): Bump sass from 1.55.0 to 1.56.0 in /app/assets/javascripts (#18932)

Bumps [sass](https://github.com/sass/dart-sass) from 1.55.0 to 1.56.0.
- [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/1.55.0...1.56.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

@@ -82,7 +82,7 @@
     "pretty-text": "^1.0.0",
     "qunit": "^2.19.3",
     "qunit-dom": "^2.0.0",
-    "sass": "^1.55.0",
+    "sass": "^1.56.0",
     "select-kit": "^1.0.0",
     "sinon": "^14.0.2",
     "tippy.js": "^6.3.7",

app/assets/javascripts/yarn.lock

@@ -9254,10 +9254,10 @@ sane@^4.0.0, sane@^4.1.0:
     minimist "^1.1.1"
     walker "~1.0.5"
 
-sass@^1.55.0:
-  version "1.55.0"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.55.0.tgz#0c4d3c293cfe8f8a2e8d3b666e1cf1bff8065d1c"
-  integrity sha512-Pk+PMy7OGLs9WaxZGJMn7S96dvlyVBwwtToX895WmCpAOr5YiJYEUJfiJidMuKb613z2xNWcXCHEuOvjZbqC6A==
+sass@^1.56.0:
+  version "1.56.0"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.56.0.tgz#134032075a3223c8d49cb5c35e091e5ba1de8e0a"
+  integrity sha512-WFJ9XrpkcnqZcYuLRJh5qiV6ibQOR4AezleeEjTjMsCocYW59dEG19U3fwTTXxzi2Ed3yjPBp727hbbj53pHFw==
   dependencies:
     chokidar ">=3.0.0 <4.0.0"
     immutable "^4.0.0"