Update dependency sass-loader to v12.6.0 (#45660)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

package.json

@@ -212,7 +212,7 @@
     "redux-mock-store": "1.5.4",
     "rimraf": "3.0.2",
     "sass": "1.49.7",
-    "sass-loader": "12.4.0",
+    "sass-loader": "12.6.0",
     "sinon": "13.0.1",
     "style-loader": "3.3.1",
     "stylelint": "14.5.0",

packages/grafana-ui/package.json

@@ -169,7 +169,7 @@
     "rollup": "2.67.1",
     "rollup-plugin-sourcemaps": "0.6.3",
     "rollup-plugin-terser": "7.0.2",
-    "sass-loader": "12.4.0",
+    "sass-loader": "12.6.0",
     "storybook-dark-mode": "1.0.8",
     "style-loader": "3.3.1",
     "terser-webpack-plugin": "5.3.1",

yarn.lock

@@ -4466,7 +4466,7 @@ __metadata:
     rollup-plugin-sourcemaps: 0.6.3
     rollup-plugin-terser: 7.0.2
     rxjs: 7.5.2
-    sass-loader: 12.4.0
+    sass-loader: 12.6.0
     slate: 0.47.8
     slate-plain-serializer: 0.7.10
     storybook-dark-mode: 1.0.8
@@ -20632,7 +20632,7 @@ __metadata:
     rst2html: "github:thoward/rst2html#990cb89f2a300cdd9151790be377c4c0840df809"
     rxjs: 7.5.2
     sass: 1.49.7
-    sass-loader: 12.4.0
+    sass-loader: 12.6.0
     search-query-parser: 1.6.0
     selecto: 1.13.2
     semver: ^7.1.3
@@ -32326,9 +32326,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"sass-loader@npm:12.4.0":
-  version: 12.4.0
-  resolution: "sass-loader@npm:12.4.0"
+"sass-loader@npm:12.6.0":
+  version: 12.6.0
+  resolution: "sass-loader@npm:12.6.0"
   dependencies:
     klona: ^2.0.4
     neo-async: ^2.6.2
@@ -32336,6 +32336,7 @@ __metadata:
     fibers: ">= 3.1.0"
     node-sass: ^4.0.0 || ^5.0.0 || ^6.0.0 || ^7.0.0
     sass: ^1.3.0
+    sass-embedded: "*"
     webpack: ^5.0.0
   peerDependenciesMeta:
     fibers:
@@ -32344,7 +32345,9 @@ __metadata:
       optional: true
     sass:
       optional: true
-  checksum: 0f7ca3633e7f61c412b0628766a9b57cb15f68def45e4303e68eb2f3a0722aec231956fbfd118489d93c997ab605470e89de8e3f7d6776830cc6366d9657d618
+    sass-embedded:
+      optional: true
+  checksum: 5d73a428588150f704016aa27397941bb9246cecd2ee083b573e95d969fc080ac6a16f2fe1cc64aca08f6e70da6f3c586ee68f0efc9f527fecc360e5f1c299ec
   languageName: node
   linkType: hard