Bump webpack from 5.73.0 to 5.76.0 in /webext

Bumps [webpack](https://github.com/webpack/webpack) from 5.73.0 to 5.76.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v5.73.0...v5.76.0)

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

webext/package-lock.json

@@ -21,7 +21,7 @@
         "sinon": "^14.0.0",
         "strip-ansi": "^7.0.1",
         "web-ext": "^7.5.0",
-        "webpack": "^5.73.0",
+        "webpack": "^5.76.0",
         "webpack-cli": "^4.10.0"
       }
     },
@@ -9593,9 +9593,9 @@
       "peer": true
     },
     "node_modules/webpack": {
-      "version": "5.73.0",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.73.0.tgz",
-      "integrity": "sha512-svjudQRPPa0YiOYa2lM/Gacw0r6PvxptHj4FuEKQ2kX05ZLkjbVc5MnPs6its5j7IZljnIqSVo/OsY2X0IpHGA==",
+      "version": "5.76.0",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.76.0.tgz",
+      "integrity": "sha512-l5sOdYBDunyf72HW8dF23rFtWq/7Zgvt/9ftMof71E/yUb1YLOBmTgA2K4vQthB3kotMrSj609txVE0dnr2fjA==",
       "dev": true,
       "dependencies": {
         "@types/eslint-scope": "^3.7.3",
@@ -9603,11 +9603,11 @@
         "@webassemblyjs/ast": "1.11.1",
         "@webassemblyjs/wasm-edit": "1.11.1",
         "@webassemblyjs/wasm-parser": "1.11.1",
-        "acorn": "^8.4.1",
+        "acorn": "^8.7.1",
         "acorn-import-assertions": "^1.7.6",
         "browserslist": "^4.14.5",
         "chrome-trace-event": "^1.0.2",
-        "enhanced-resolve": "^5.9.3",
+        "enhanced-resolve": "^5.10.0",
         "es-module-lexer": "^0.9.0",
         "eslint-scope": "5.1.1",
         "events": "^3.2.0",
@@ -9620,7 +9620,7 @@
         "schema-utils": "^3.1.0",
         "tapable": "^2.1.1",
         "terser-webpack-plugin": "^5.1.3",
-        "watchpack": "^2.3.1",
+        "watchpack": "^2.4.0",
         "webpack-sources": "^3.2.3"
       },
       "bin": {
@@ -17486,9 +17486,9 @@
       "peer": true
     },
     "webpack": {
-      "version": "5.73.0",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.73.0.tgz",
-      "integrity": "sha512-svjudQRPPa0YiOYa2lM/Gacw0r6PvxptHj4FuEKQ2kX05ZLkjbVc5MnPs6its5j7IZljnIqSVo/OsY2X0IpHGA==",
+      "version": "5.76.0",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.76.0.tgz",
+      "integrity": "sha512-l5sOdYBDunyf72HW8dF23rFtWq/7Zgvt/9ftMof71E/yUb1YLOBmTgA2K4vQthB3kotMrSj609txVE0dnr2fjA==",
       "dev": true,
       "requires": {
         "@types/eslint-scope": "^3.7.3",
@@ -17496,11 +17496,11 @@
         "@webassemblyjs/ast": "1.11.1",
         "@webassemblyjs/wasm-edit": "1.11.1",
         "@webassemblyjs/wasm-parser": "1.11.1",
-        "acorn": "^8.4.1",
+        "acorn": "^8.7.1",
         "acorn-import-assertions": "^1.7.6",
         "browserslist": "^4.14.5",
         "chrome-trace-event": "^1.0.2",
-        "enhanced-resolve": "^5.9.3",
+        "enhanced-resolve": "^5.10.0",
         "es-module-lexer": "^0.9.0",
         "eslint-scope": "5.1.1",
         "events": "^3.2.0",
@@ -17513,7 +17513,7 @@
         "schema-utils": "^3.1.0",
         "tapable": "^2.1.1",
         "terser-webpack-plugin": "^5.1.3",
-        "watchpack": "^2.3.1",
+        "watchpack": "^2.4.0",
         "webpack-sources": "^3.2.3"
       },
       "dependencies": {

webext/package.json

@@ -24,7 +24,7 @@
     "sinon": "^14.0.0",
     "strip-ansi": "^7.0.1",
     "web-ext": "^7.5.0",
-    "webpack": "^5.73.0",
+    "webpack": "^5.76.0",
     "webpack-cli": "^4.10.0"
   },
   "dependencies": {