Upgrade js-yaml dependency

Don't need safe* functions anymore according to
https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md#400---2021-01-03

Author: fendor

package.json

@@ -431,7 +431,7 @@
   "devDependencies": {
     "@types/cheerio": "^0.22.30",
     "@types/glob": "^7.1.4",
-    "@types/js-yaml": "^3.12.3",
+    "@types/js-yaml": "^4.0.5",
     "@types/lodash-es": "^4.17.3",
     "@types/lru-cache": "^4.1.2",
     "@types/mocha": "^9.0.0",
@@ -463,7 +463,7 @@
   "dependencies": {
     "cheerio": "^1.0.0-rc.10",
     "extend": ">=3.0.2",
-    "js-yaml": "^3.13.1",
+    "js-yaml": "^4.1.0",
     "lodash-es": "^4.17.21",
     "lru-cache": "^4.1.5",
     "request": "^2.88.2",

src/commands/importIdentifier.ts

@@ -58,14 +58,14 @@ const doImport = async (arg: { mod: string; package: string }): Promise<void> =>
   try {
     const hpackDoc = await vscode.workspace.openTextDocument(vscode.workspace.rootPath + '/package.yaml');
 
-    const hpack: any = yaml.safeLoad(hpackDoc.getText());
+    const hpack: any = yaml.load(hpackDoc.getText());
     hpack.dependencies = hpack.dependencies || [];
     if (!hpack.dependencies.some((dep: string) => new RegExp(escapeRegExp(arg.package)).test(dep))) {
       hpack.dependencies.push(arg.package);
       edit.replace(
         hpackDoc.uri,
         new vscode.Range(new vscode.Position(0, 0), hpackDoc.lineAt(hpackDoc.lineCount - 1).range.end),
-        yaml.safeDump(hpack)
+        yaml.dump(hpack)
       );
     }
   } catch (e) {

yarn.lock

@@ -124,10 +124,10 @@
     "@types/minimatch" "*"
     "@types/node" "*"
 
-"@types/js-yaml@^3.12.3":
-  version "3.12.7"
-  resolved "https://registry.yarnpkg.com/@types/js-yaml/-/js-yaml-3.12.7.tgz#330c5d97a3500e9c903210d6e49f02964af04a0e"
-  integrity sha512-S6+8JAYTE1qdsc9HMVsfY7+SgSuUU/Tp6TYTmITW0PZxiyIMvol3Gy//y69Wkhs0ti4py5qgR3uZH6uz/DNzJQ==
+"@types/js-yaml@^4.0.5":
+  version "4.0.5"
+  resolved "https://registry.yarnpkg.com/@types/js-yaml/-/js-yaml-4.0.5.tgz#738dd390a6ecc5442f35e7f03fa1431353f7e138"
+  integrity sha512-FhpRzf927MNQdRZP0J5DLIdTXhjLYzeUTmLAu69mnVksLH9CJY3IuSeEgbKUki7GQZm0WqDkGzyxju2EZGD2wA==
 
 "@types/json-schema@*", "@types/json-schema@^7.0.8", "@types/json-schema@^7.0.9":
   version "7.0.11"