Set up deprecation plugin

extensions/ql-vscode/.eslintrc.js

@@ -28,6 +28,7 @@ const baseConfig = {
     "plugin:@typescript-eslint/recommended",
     "plugin:import/recommended",
     "plugin:import/typescript",
+    "plugin:deprecation/recommended",
   ],
   rules: {
     "@typescript-eslint/await-thenable": "error",

extensions/ql-vscode/package-lock.json

@@ -106,6 +106,7 @@
         "eslint": "^8.56.0",
         "eslint-config-prettier": "^9.0.0",
         "eslint-import-resolver-typescript": "^3.6.1",
+        "eslint-plugin-deprecation": "^2.0.0",
         "eslint-plugin-etc": "^2.0.2",
         "eslint-plugin-github": "^4.4.1",
         "eslint-plugin-import": "^2.29.1",
@@ -15664,6 +15665,21 @@
         "ms": "^2.1.1"
       }
     },
+    "node_modules/eslint-plugin-deprecation": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-deprecation/-/eslint-plugin-deprecation-2.0.0.tgz",
+      "integrity": "sha512-OAm9Ohzbj11/ZFyICyR5N6LbOIvQMp7ZU2zI7Ej0jIc8kiGUERXPNMfw2QqqHD1ZHtjMub3yPZILovYEYucgoQ==",
+      "dev": true,
+      "dependencies": {
+        "@typescript-eslint/utils": "^6.0.0",
+        "tslib": "^2.3.1",
+        "tsutils": "^3.21.0"
+      },
+      "peerDependencies": {
+        "eslint": "^7.0.0 || ^8.0.0",
+        "typescript": "^4.2.4 || ^5.0.0"
+      }
+    },
     "node_modules/eslint-plugin-escompat": {
       "version": "3.4.0",
       "resolved": "https://registry.npmjs.org/eslint-plugin-escompat/-/eslint-plugin-escompat-3.4.0.tgz",

extensions/ql-vscode/package.json

@@ -2024,6 +2024,7 @@
     "eslint": "^8.56.0",
     "eslint-config-prettier": "^9.0.0",
     "eslint-import-resolver-typescript": "^3.6.1",
+    "eslint-plugin-deprecation": "^2.0.0",
     "eslint-plugin-etc": "^2.0.2",
     "eslint-plugin-github": "^4.4.1",
     "eslint-plugin-import": "^2.29.1",