Upgrade to latest storybook

To make sure that the plugin works with the most recent Storybook
version, I'm upgrading dev dependencies.

As part of this I'm attempting to fix
#104, applying the
changes (different imports in addons.js and decorator.js) suggested
there.

package.json

@@ -51,14 +51,15 @@
     "@emotion/react": "^11.9.0",
     "@emotion/styled": "^11.8.1",
     "@mui/material": "^5.8.0",
-    "@storybook/addon-actions": "^7.0.0-beta.57",
-    "@storybook/addon-interactions": "^7.0.0-beta.57",
-    "@storybook/addons": "^7.0.0-beta.57",
-    "@storybook/api": "^7.0.0-beta.57",
+    "@storybook/addon-actions": "^7.6.7",
+    "@storybook/addon-interactions": "^7.6.7",
+    "@storybook/api": "^7.6.7",
     "@storybook/jest": "^0.2.3",
-    "@storybook/react": "^7.0.0-beta.57",
-    "@storybook/react-webpack5": "^7.0.0-beta.57",
-    "@storybook/testing-library": "^0.0.14-next.1",
+    "@storybook/manager-api": "^7.6.7",
+    "@storybook/preview-api": "^7.6.7",
+    "@storybook/react": "^7.6.7",
+    "@storybook/react-webpack5": "^7.6.7",
+    "@storybook/testing-library": "^0.2.2",
     "babel-loader": "^8.0.5",
     "eslint": "^8.6.0",
     "eslint-plugin-react": "^7.28.0",
@@ -68,7 +69,7 @@
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-tether": "^2.0.0",
-    "storybook": "^7.0.0-beta.57",
+    "storybook": "^7.6.7",
     "styled-components": "^4.1.3",
     "webpack": "^4.0.0"
   },

src/addon.js

@@ -1,6 +1,6 @@
 import React from 'react';
 
-import { addons, types } from '@storybook/addons';
+import { addons, types } from '@storybook/manager-api';
 import { useParameter, useChannel, useStorybookState } from '@storybook/api';
 
 import { AddonPanel } from '@storybook/components';

src/decorator.js

@@ -1,4 +1,4 @@
-import { makeDecorator, addons } from '@storybook/addons';
+import { makeDecorator, addons } from '@storybook/preview-api';
 import { useEffect } from 'react';
 
 const { SB_ROOT_ELEMENT_SELECTOR } = require('./constants');