Update dependency css-loader to v6.7.3

Signed-off-by: Renovate Bot <bot@renovateapp.com>

yarn.lock

@@ -19620,11 +19620,11 @@ __metadata:
   linkType: hard
 
 "css-loader@npm:^6.5.1":
-  version: 6.7.2
-  resolution: "css-loader@npm:6.7.2"
+  version: 6.7.3
+  resolution: "css-loader@npm:6.7.3"
   dependencies:
     icss-utils: ^5.1.0
-    postcss: ^8.4.18
+    postcss: ^8.4.19
     postcss-modules-extract-imports: ^3.0.0
     postcss-modules-local-by-default: ^4.0.0
     postcss-modules-scope: ^3.0.0
@@ -19633,7 +19633,7 @@ __metadata:
     semver: ^7.3.8
   peerDependencies:
     webpack: ^5.0.0
-  checksum: f3c980cc9c033a02e60df7e5a2f33a1e8c2c3dd552f017485d2d81b383be623ae8c4189404e7a4a7403b52744683ae4b516def0f7ccf125c2b198cb647e46543
+  checksum: 473cc32b6c837c2848e2051ad1ba331c1457449f47442e75a8c480d9891451434ada241f7e3de2347e57de17fcd84610b3bcfc4a9da41102cdaedd1e17902d31
   languageName: node
   linkType: hard
 
@@ -32145,7 +32145,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.1.0, postcss@npm:^8.4.18":
+"postcss@npm:^8.1.0, postcss@npm:^8.4.19":
   version: 8.4.20
   resolution: "postcss@npm:8.4.20"
   dependencies: