Moving Turbo to be a peer dependency

This should guarantee that the the same "turbo" module is used from
both the symfony/ux-turbo package and the end-users code (as well
as from any other libraries that could potentially list turbo
as a peer dependency)

Author: weaverryan

src/Turbo/README.md

@@ -21,6 +21,9 @@ Install this bundle using Composer and Symfony Flex:
 ```sh
 composer require symfony/ux-turbo
 
+# install turbo itself
+yarn add @hotwired/turbo --dev
+
 # Don't forget to install the JavaScript dependencies as well and compile
 yarn install --force
 yarn encore dev

src/Turbo/Resources/assets/package.json

@@ -19,17 +19,16 @@
         "test": "babel src -d dist && jest",
         "lint": "eslint src test"
     },
-    "dependencies": {
-        "@hotwired/turbo": "^7.0.0-beta.4"
-    },
     "peerDependencies": {
+        "@hotwired/turbo": "^7.0.0-beta.5",
         "stimulus": "^2.0.0"
     },
     "devDependencies": {
         "@babel/cli": "^7.12.1",
         "@babel/core": "^7.12.3",
         "@babel/plugin-proposal-class-properties": "^7.12.1",
         "@babel/preset-env": "^7.12.7",
+        "@hotwired/turbo": "^7.0.0-beta.5",
         "@symfony/stimulus-testing": "^1.1.0",
         "stimulus": "^2.0.0"
     },

src/Turbo/Tests/app/package.json

@@ -1,5 +1,6 @@
 {
     "devDependencies": {
+        "@hotwired/turbo": "^7.0.0-beta.5",
         "@symfony/ux-turbo": "file:../../Resources/assets",
         "@symfony/ux-turbo-mercure": "file:../../Bridge/Mercure/Resources/assets",
         "@symfony/webpack-encore": "^0.32.0",