chore(deps): update dependency postcss-loader to v7

Author: renovate[bot]

frontend/package.json

@@ -34,7 +34,7 @@
     "mustache": "4.2.0",
     "node-sass": "7.0.1",
     "postcss": "8.4.12",
-    "postcss-loader": "6.2.1",
+    "postcss-loader": "7.3.4",
     "postcss-preset-env": "7.4.3",
     "preact": "10.7.1",
     "sass-loader": "12.6.0",

yarn.lock

@@ -26,7 +26,7 @@ __metadata:
     mustache: 4.2.0
     node-sass: 7.0.1
     postcss: 8.4.12
-    postcss-loader: 6.2.1
+    postcss-loader: 7.3.4
     postcss-preset-env: 7.4.3
     preact: 10.7.1
     sass-loader: 12.6.0
@@ -8585,16 +8585,20 @@ __metadata:
   languageName: node
   linkType: hard
 
-"cosmiconfig@npm:^7.0.0":
-  version: 7.0.0
-  resolution: "cosmiconfig@npm:7.0.0"
+"cosmiconfig@npm:^8.3.5":
+  version: 8.3.6
+  resolution: "cosmiconfig@npm:8.3.6"
   dependencies:
-    "@types/parse-json": ^4.0.0
-    import-fresh: ^3.2.1
-    parse-json: ^5.0.0
+    import-fresh: ^3.3.0
+    js-yaml: ^4.1.0
+    parse-json: ^5.2.0
     path-type: ^4.0.0
-    yaml: ^1.10.0
-  checksum: 6801feaa0249e9b9fdde5b3d70dc33b4f9c69095bec94d67e3fe08b66eac24dc7e2099f053597cfbc94b743de269aa5d2cfa7da3fde765433423b06bd122941a
+  peerDependencies:
+    typescript: ">=4.9.5"
+  peerDependenciesMeta:
+    typescript:
+      optional: true
+  checksum: dc339ebea427898c9e03bf01b56ba7afbac07fc7d2a2d5a15d6e9c14de98275a9565da949375aee1809591c152c0a3877bb86dbeaf74d5bd5aaa79955ad9e7a0
   languageName: node
   linkType: hard
 
@@ -12490,7 +12494,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"import-fresh@npm:^3.0.0, import-fresh@npm:^3.1.0, import-fresh@npm:^3.2.1":
+"import-fresh@npm:^3.0.0, import-fresh@npm:^3.1.0, import-fresh@npm:^3.2.1, import-fresh@npm:^3.3.0":
   version: 3.3.0
   resolution: "import-fresh@npm:3.3.0"
   dependencies:
@@ -14030,6 +14034,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"jiti@npm:^1.20.0":
+  version: 1.21.0
+  resolution: "jiti@npm:1.21.0"
+  bin:
+    jiti: bin/jiti.js
+  checksum: a7bd5d63921c170eaec91eecd686388181c7828e1fa0657ab374b9372bfc1f383cf4b039e6b272383d5cb25607509880af814a39abdff967322459cca41f2961
+  languageName: node
+  linkType: hard
+
 "js-base64@npm:^2.4.3":
   version: 2.6.4
   resolution: "js-base64@npm:2.6.4"
@@ -14447,13 +14460,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"klona@npm:^2.0.5":
-  version: 2.0.5
-  resolution: "klona@npm:2.0.5"
-  checksum: 8c976126ea252b766e648a4866e1bccff9d3b08432474ad80c559f6c7265cf7caede2498d463754d8c88c4759895edd8210c85c0d3155e6aae4968362889466f
-  languageName: node
-  linkType: hard
-
 "kuler@npm:^2.0.0":
   version: 2.0.0
   resolution: "kuler@npm:2.0.0"
@@ -17663,17 +17669,17 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss-loader@npm:6.2.1":
-  version: 6.2.1
-  resolution: "postcss-loader@npm:6.2.1"
+"postcss-loader@npm:7.3.4":
+  version: 7.3.4
+  resolution: "postcss-loader@npm:7.3.4"
   dependencies:
-    cosmiconfig: ^7.0.0
-    klona: ^2.0.5
-    semver: ^7.3.5
+    cosmiconfig: ^8.3.5
+    jiti: ^1.20.0
+    semver: ^7.5.4
   peerDependencies:
     postcss: ^7.0.0 || ^8.0.1
     webpack: ^5.0.0
-  checksum: e40ae79c3e39df37014677a817b001bd115d8b10dedf53a07b97513d93b1533cd702d7a48831bdd77b9a9484b1ec84a5d4a723f80e83fb28682c75b5e65e8a90
+  checksum: f109eb266580eb296441a1ae057f93629b9b79ad962bdd3fc134417180431606a5419b6f5848c31e6d92c818e71fe96e4335a85cc5332c2f7b14e2869951e5b3
   languageName: node
   linkType: hard
 
@@ -19333,6 +19339,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"semver@npm:^7.5.4":
+  version: 7.5.4
+  resolution: "semver@npm:7.5.4"
+  dependencies:
+    lru-cache: ^6.0.0
+  bin:
+    semver: bin/semver.js
+  checksum: 12d8ad952fa353b0995bf180cdac205a4068b759a140e5d3c608317098b3575ac2f1e09182206bf2eb26120e1c0ed8fb92c48c592f6099680de56bb071423ca3
+  languageName: node
+  linkType: hard
+
 "send@npm:0.17.1":
   version: 0.17.1
   resolution: "send@npm:0.17.1"
@@ -22216,7 +22233,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"yaml@npm:^1.10.0, yaml@npm:^1.7.2":
+"yaml@npm:^1.7.2":
   version: 1.10.2
   resolution: "yaml@npm:1.10.2"
   checksum: ce4ada136e8a78a0b08dc10b4b900936912d15de59905b2bf415b4d33c63df1d555d23acb2a41b23cf9fb5da41c256441afca3d6509de7247daa062fd2c5ea5f