Update the eslint-plugin-unicorn package to the latest version

Also enables the `no-useless-spread` rule, see https://github.com/sindresorhus/eslint-plugin-unicorn/blob/main/docs/rules/no-useless-spread.md, which didn't require any code changes.

.eslintrc

@@ -47,6 +47,7 @@
     "unicorn/no-abusive-eslint-disable": "error",
     "unicorn/no-array-push-push": "error",
     "unicorn/no-instanceof-array": "error",
+    "unicorn/no-useless-spread": "error",
     "unicorn/prefer-string-starts-ends-with": "error",
 
     // Possible errors

package-lock.json

@@ -5001,11 +5001,12 @@
       "dev": true
     },
     "eslint-plugin-unicorn": {
-      "version": "34.0.1",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-unicorn/-/eslint-plugin-unicorn-34.0.1.tgz",
-      "integrity": "sha512-GUBtRYRhPVOW/GDu6QtOjrneSZxY/MulOT8puJU+47VKCzNmMgS/iHO2gZqoQ7KPMrpNYlebUlvCWy3IR1USVQ==",
+      "version": "35.0.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-unicorn/-/eslint-plugin-unicorn-35.0.0.tgz",
+      "integrity": "sha512-FHsaO68tDPQILfs/mGF8eSISJp8RswR4FpUuBDnueK2wyEHC6zmsc9WxjYyldXoIsBuVmru6jQyFCbCWPoW/KQ==",
       "dev": true,
       "requires": {
+        "@babel/helper-validator-identifier": "^7.14.9",
         "ci-info": "^3.2.0",
         "clean-regexp": "^1.0.0",
         "eslint-template-visitor": "^2.3.2",
@@ -5015,7 +5016,6 @@
         "pluralize": "^8.0.0",
         "read-pkg-up": "^7.0.1",
         "regexp-tree": "^0.1.23",
-        "reserved-words": "^0.1.2",
         "safe-regex": "^2.1.1",
         "semver": "^7.3.5"
       },
@@ -14333,12 +14333,6 @@
         "lodash": "^4.17.14"
       }
     },
-    "reserved-words": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/reserved-words/-/reserved-words-0.1.2.tgz",
-      "integrity": "sha1-AKCUD5jNUBrqqsMWQR2a3FKzGrE=",
-      "dev": true
-    },
     "resolve": {
       "version": "1.7.1",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.7.1.tgz",

package.json

@@ -26,7 +26,7 @@
     "eslint-plugin-no-unsanitized": "^3.1.5",
     "eslint-plugin-prettier": "^3.4.0",
     "eslint-plugin-sort-exports": "^0.4.0",
-    "eslint-plugin-unicorn": "^34.0.1",
+    "eslint-plugin-unicorn": "^35.0.0",
     "globals": "^13.10.0",
     "gulp": "^4.0.2",
     "gulp-postcss": "^9.0.0",