Update dependency webpack to v5.78.0

Author: renovate[bot]

package.json

@@ -74,7 +74,7 @@
     "qunit-dom": "2.0.0",
     "release-it": "15.10.1",
     "release-it-lerna-changelog": "5.0.0",
-    "webpack": "5.77.0"
+    "webpack": "5.78.0"
   },
   "peerDependencies": {
     "ember-bootstrap": ">=5",

yarn.lock

@@ -11738,10 +11738,10 @@ webpack-sources@^3.2.3:
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-3.2.3.tgz#2d4daab8451fd4b240cc27055ff6a0c2ccea0cde"
   integrity sha512-/DyMEOrDgLKKIG0fmvtz+4dUX/3Ghozwgm6iPp8KRhvn+eQf9+Q7GWxVNMk3+uCPWfdXYC4ExGBckIXdFEfH1w==
 
-webpack@5.77.0:
-  version "5.77.0"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-5.77.0.tgz#dea3ad16d7ea6b84aa55fa42f4eac9f30e7eb9b4"
-  integrity sha512-sbGNjBr5Ya5ss91yzjeJTLKyfiwo5C628AFjEa6WSXcZa4E+F57om3Cc8xLb1Jh0b243AWuSYRf3dn7HVeFQ9Q==
+webpack@5.78.0:
+  version "5.78.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-5.78.0.tgz#836452a12416af2a7beae906b31644cb2562f9e6"
+  integrity sha512-gT5DP72KInmE/3azEaQrISjTvLYlSM0j1Ezhht/KLVkrqtv10JoP/RXhwmX/frrutOPuSq3o5Vq0ehR/4Vmd1g==
   dependencies:
     "@types/eslint-scope" "^3.7.3"
     "@types/estree" "^0.0.51"