upgrade acorn

package-lock.json

@@ -479,9 +479,9 @@
       "dev": true
     },
     "acorn": {
-      "version": "7.4.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.0.tgz",
-      "integrity": "sha512-+G7P8jJmCHr+S+cLfQxygbWhXy+8YTVGzAkpEbcLo2mLoL7tij/VG41QSHACSf5QgYRhMZYHuNc6drJaO0Da+w==",
+      "version": "8.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.4.1.tgz",
+      "integrity": "sha512-asabaBSkEKosYKMITunzX177CXxQ4Q8BSSzMTKD+FefUhipQC70gfW5SiUDhYQ3vk8G+81HqQk7Fv9OXwwn9KA==",
       "dev": true
     },
     "acorn-globals": {
@@ -960,12 +960,6 @@
         "sourcemap-codec": "^1.4.8"
       },
       "dependencies": {
-        "acorn": {
-          "version": "8.4.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.4.0.tgz",
-          "integrity": "sha512-ULr0LDaEqQrMFGyQ3bhJkLsbtrQ8QibAseGZeaSUiT/6zb9IvIkomWHJIvgvwad+hinRAgsI51JcWk2yvwyL+w==",
-          "dev": true
-        },
         "estree-walker": {
           "version": "0.9.0",
           "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-0.9.0.tgz",
@@ -1874,6 +1868,12 @@
         "eslint-visitor-keys": "^1.3.0"
       },
       "dependencies": {
+        "acorn": {
+          "version": "7.4.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
+          "integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==",
+          "dev": true
+        },
         "eslint-visitor-keys": {
           "version": "1.3.0",
           "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.3.0.tgz",
@@ -2732,6 +2732,14 @@
         "whatwg-url": "^7.0.0",
         "ws": "^7.0.0",
         "xml-name-validator": "^3.0.0"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "7.4.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
+          "integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==",
+          "dev": true
+        }
       }
     },
     "json-parse-better-errors": {
@@ -3854,6 +3862,14 @@
         "@types/estree": "*",
         "@types/node": "*",
         "acorn": "^7.1.0"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "7.4.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.1.tgz",
+          "integrity": "sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==",
+          "dev": true
+        }
       }
     },
     "rollup-plugin-virtual": {

package.json

@@ -112,7 +112,7 @@
     "@types/node": "^8.10.53",
     "@typescript-eslint/eslint-plugin": "^4.9.0",
     "@typescript-eslint/parser": "^4.9.0",
-    "acorn": "^7.4.0",
+    "acorn": "^8.4.1",
     "agadoo": "^1.1.0",
     "c8": "^5.0.1",
     "code-red": "^0.2.1",