build(npm): update Husky to v7.0.4

Change-Id: I708ac9af9311c23b107041b3fc7f1773a83b36c4
Signed-off-by: Chris Kay <chris.kay@arm.com>
diff --git a/package.json b/package.json
index 5489334..acaca84 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,6 @@
     "@commitlint/config-conventional": "^14.1.0",
     "commitizen": "^4.2.4",
     "cz-conventional-changelog": "^3.3.0",
-    "husky": "^5.0.4"
+    "husky": "^7.0.4"
   }
 }