fix(deps): update dependency sass to v1.68.0

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

frontend/package.json

@@ -111,7 +111,7 @@
     "redux": "4.2.1",
     "reveal.js": "4.6.1",
     "sanitize-filename": "1.6.3",
-    "sass": "1.67.0",
+    "sass": "1.68.0",
     "sharp": "0.32.6",
     "tlds": "1.242.0",
     "twemoji-colr-font": "14.1.3",

yarn.lock

@@ -2520,7 +2520,7 @@ __metadata:
     redux: 4.2.1
     reveal.js: 4.6.1
     sanitize-filename: 1.6.3
-    sass: 1.67.0
+    sass: 1.68.0
     sharp: 0.32.6
     tlds: 1.242.0
     ts-loader: 9.4.4
@@ -15964,16 +15964,16 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sass@npm:1.67.0":
-  version: 1.67.0
-  resolution: "sass@npm:1.67.0"
+"sass@npm:1.68.0":
+  version: 1.68.0
+  resolution: "sass@npm:1.68.0"
   dependencies:
     chokidar: ">=3.0.0 <4.0.0"
     immutable: ^4.0.0
     source-map-js: ">=0.6.2 <2.0.0"
   bin:
     sass: sass.js
-  checksum: 9e7566e8b7386cf265dddcdb266a023fb5759c5a8f48a11da199c8bf419e5f08f4ff6404d85d6bf5eac01e1f7c7061fdb6b7b65cbfda164e59b0a06b72ac8567
+  checksum: 65ccede83c96768beeb8dcaf67957b7c76b12ff1276bfd2849d7be151d46ba1400048a67717e6e5e4969bc75e87348e5530f5f272833f2e60a891c21a33d8ab0
   languageName: node
   linkType: hard