chore(deps): update dependency less to v4 [skip netlify] (#2695)

* chore(deps): update dependency less to v4 [skip netlify]

* Update katex.less

* Update katex.less

Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: ylemkimon <y@ylem.kim>

package.json

@@ -58,7 +58,7 @@
     "js-yaml": "^4.0.0",
     "json-stable-stringify": "^1.0.1",
     "jspngopt": "^0.2.0",
-    "less": "^3.9.0",
+    "less": "^4.0.0",
     "less-loader": "^7.0.0",
     "mini-css-extract-plugin": "^1.0.0",
     "mkdirp": "^1.0.4",

src/katex.less

@@ -2,7 +2,7 @@
 @import "../submodules/katex-fonts/fonts.less";
 
 // The mu unit is defined as 1/18 em
-@mu: 1/18em;
+@mu: (1em / 18);
 
 // The version is dynamically set from package.json via webpack.common.js
 @version: "";
@@ -161,7 +161,7 @@
     // This value is also used in fontMetrics.js, if you change it make sure the
     // values match.
     @ptperem: 10;
-    @nulldelimiterspace: 1.2em / @ptperem;
+    @nulldelimiterspace: (1.2em / @ptperem);
 
     @muspace: 0.055556em;       // 1mu
     @thinspace: 0.16667em;      // 3mu

yarn.lock

@@ -7276,7 +7276,7 @@ __metadata:
     js-yaml: ^4.0.0
     json-stable-stringify: ^1.0.1
     jspngopt: ^0.2.0
-    less: ^3.9.0
+    less: ^4.0.0
     less-loader: ^7.0.0
     mini-css-extract-plugin: ^1.0.0
     mkdirp: ^1.0.4
@@ -7386,9 +7386,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"less@npm:^3.9.0":
-  version: 3.13.1
-  resolution: "less@npm:3.13.1"
+"less@npm:^4.0.0":
+  version: 4.0.0
+  resolution: "less@npm:4.0.0"
   dependencies:
     copy-anything: ^2.0.1
     errno: ^0.1.1
@@ -7397,6 +7397,7 @@ __metadata:
     make-dir: ^2.1.0
     mime: ^1.4.1
     native-request: ^1.0.5
+    parse-node-version: ^1.0.1
     source-map: ~0.6.0
     tslib: ^1.10.0
   dependenciesMeta:
@@ -7416,7 +7417,7 @@ __metadata:
       optional: true
   bin:
     lessc: ./bin/lessc
-  checksum: cc1a86d352c561eca57dcd5a96fd9f6f5a43759e8c0588dee9cb2414c6dc60b3cc8522d16ff363ffaba85a0d8cec4372b45e5c18fddd43730f8c78b2fc28d0d2
+  checksum: 36feda01fd2d849bb29984125aac175c6c268b846aba804c5e92d3353353f4518fa5889b6b559f72631d4e4dae3b15cd024dea9103b18b54a444ea0925be6552
   languageName: node
   linkType: hard
 
@@ -8758,6 +8759,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"parse-node-version@npm:^1.0.1":
+  version: 1.0.1
+  resolution: "parse-node-version@npm:1.0.1"
+  checksum: 79ae38178715cd9ebec482d876b8bc773c98e017ccdb50d40937e9d65ece0ebf7eef507ed100e182e352b0bacfe2acba6b3b3b7ae978be20a79a91a4853bb27b
+  languageName: node
+  linkType: hard
+
 "parse5@npm:5.1.1":
   version: 5.1.1
   resolution: "parse5@npm:5.1.1"