Use spago in CI (#33)

Author: f-f

.github/workflows/ci.yml

@@ -25,9 +25,9 @@ jobs:
             output
 
       - name: Set up Node toolchain
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2
         with:
-          node-version: "12.x"
+          node-version: 18
 
       - name: Cache NPM dependencies
         uses: actions/cache@v2

package.json

@@ -2,12 +2,11 @@
   "private": true,
   "type": "module",
   "scripts": {
-    "build": "pulp build -- --strict",
-    "test": "pulp test"
+    "build": "spago build --strict",
+    "test": "spago test"
   },
   "devDependencies": {
-    "purescript-psa": "^0.8.2",
-    "purescript": "^0.14.0",
-    "pulp": "^15.0.0"
+    "purescript": "^0.15.0",
+    "spago": "^0.93.0"
   }
 }