fix: add Dockerfile for cypress

* install additional dependencies for cypress
* remove duplicate cypress installation

tests/Dockerfile

@@ -0,0 +1,8 @@
+FROM cypress/included:13.3.2
+
+WORKDIR /app
+COPY package.json yarn.lock ./
+COPY tests/package.json ./tests/package.json
+
+WORKDIR /app/tests
+RUN yarn install --frozen-lockfile

tests/package.json

@@ -5,10 +5,8 @@
   "main": "index.js",
   "license": "MIT",
   "scripts": {
-    "test": "cypress run"
-  },
-  "dependencies": {
-    "cypress": "^13.2.0"
+    "test": "cypress run",
+    "test:open": "cypress open"
   },
   "devDependencies": {
     "@testing-library/cypress": "^10.0.1",