Update ps to 0.15

Author: oreshinya

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     - name: Setup nodejs
       uses: actions/setup-node@v1
       with:
-        node-version: 12.21.0
+        node-version: 16.17.1
 
     - name: Cache npm modules
       uses: actions/cache@v1

bower.json

@@ -25,11 +25,11 @@
     "output"
   ],
   "dependencies": {
-    "purescript-bucketchain": "^0.4.0",
-    "purescript-bucketchain-header-utils": "^0.4.0",
-    "purescript-http-methods": "^5.0.0"
+    "purescript-bucketchain": "^1.0.0",
+    "purescript-bucketchain-header-utils": "^1.0.0",
+    "purescript-http-methods": "^6.0.0"
   },
   "devDependencies": {
-    "purescript-assert": "^5.0.0"
+    "purescript-assert": "^6.0.0"
   }
 }