chore(deps): revert @parse5/tools bump

for some reason, the version bump moves the package from root node_modules into @lwc/template-compiler's node_modules

and this breaks the generate-license-files script

Author: wjhsf

packages/@lwc/template-compiler/package.json

@@ -53,7 +53,7 @@
         "he": "~1.2.0"
     },
     "devDependencies": {
-        "@parse5/tools": "^0.7.0",
+        "@parse5/tools": "^0.6.0",
         "@types/estree": "^1.0.8",
         "@types/he": "^1.2.3",
         "estree-walker": "~3.0.3",