Bump devDependencies

Author: guillaumebriday

package.json

@@ -44,22 +44,22 @@
     "version": "yarn build"
   },
   "devDependencies": {
-    "@babel/core": "7.11.6",
-    "@babel/plugin-syntax-class-properties": "7.10.4",
-    "@babel/preset-env": "7.11.5",
+    "@babel/core": "7.12.3",
+    "@babel/plugin-syntax-class-properties": "7.12.1",
+    "@babel/preset-env": "7.12.1",
     "@pika/pack": "0.5.0",
     "@pika/plugin-build-node": "0.9.2",
     "@pika/plugin-build-web": "0.9.2",
     "@pika/plugin-standard-pkg": "0.9.2",
-    "@snowpack/plugin-babel": "2.1.3",
-    "@types/jest": "^26.0.14",
-    "babel-jest": "^26.5.2",
-    "jest": "^26.5.3",
+    "@snowpack/plugin-babel": "2.1.4",
+    "@types/jest": "^26.0.15",
+    "babel-jest": "^26.6.1",
+    "jest": "^26.6.1",
     "jest-dev-server": "^4.4.0",
     "jest-puppeteer": "^4.4.0",
     "prettier-standard": "16.4.1",
-    "puppeteer": "^5.3.1",
-    "snowpack": "2.14.0",
+    "puppeteer": "^5.4.1",
+    "snowpack": "2.15.1",
     "stimulus": "^1.1.1"
   },
   "peerDependencies": {