Update for PureScript 0.15 (#4)

* Update dependencies for 0.15

* Update bower.json

* Update packages.dhall

Author: thomashoneyman

.github/workflows/ci.yml

@@ -14,6 +14,8 @@ jobs:
 
       - name: Set up a PureScript toolchain
         uses: purescript-contrib/setup-purescript@main
+        with:
+          purescript: "unstable"
 
       - name: Cache PureScript dependencies
         uses: actions/cache@v2

bower.json

@@ -14,12 +14,15 @@
         "output"
     ],
     "dependencies": {
-        "purescript-arrays": "^v6.0.0",
-        "purescript-effect": "^v3.0.0",
-        "purescript-foldable-traversable": "^v5.0.0",
-        "purescript-functors": "^v4.0.0",
-        "purescript-refs": "^v5.0.0",
-        "purescript-safe-coerce": "^v1.0.0",
-        "purescript-unsafe-reference": "^v4.0.0"
+        "purescript-arrays": "^v7.0.0",
+        "purescript-contravariant": "^v6.0.0",
+        "purescript-control": "^v6.0.0",
+        "purescript-effect": "^v4.0.0",
+        "purescript-foldable-traversable": "^v6.0.0",
+        "purescript-maybe": "^v6.0.0",
+        "purescript-prelude": "^v6.0.0",
+        "purescript-refs": "^v6.0.0",
+        "purescript-safe-coerce": "^v2.0.0",
+        "purescript-unsafe-reference": "^v5.0.0"
     }
 }

package.json

@@ -5,8 +5,8 @@
     "test": "spago -x test/test.dhall test"
   },
   "devDependencies": {
-    "purescript": "^0.14.0",
+    "purescript": "^0.15.0-0",
     "purescript-psa": "^0.8.2",
-    "spago": "^0.19.1"
+    "spago": "^0.20.8"
   }
 }

packages.dhall

@@ -1,4 +1,4 @@
 let upstream =
-      https://github.com/purescript/package-sets/releases/download/psc-0.14.0-20210304/packages.dhall sha256:c88151fe7c05f05290224c9c1ae4a22905060424fb01071b691d3fe2e5bad4ca
+      https://raw.githubusercontent.com/purescript/package-sets/prepare-0.15/src/packages.dhall
 
 in  upstream

spago.dhall

@@ -1,11 +1,15 @@
 { name = "halogen-subscriptions"
 , license = "Apache-2.0"
-, repository = "https://github.com/purescript-halogen/purescript-halogen-subscriptions"
+, repository =
+    "https://github.com/purescript-halogen/purescript-halogen-subscriptions"
 , dependencies =
   [ "arrays"
+  , "contravariant"
+  , "control"
   , "effect"
   , "foldable-traversable"
-  , "functors"
+  , "maybe"
+  , "prelude"
   , "refs"
   , "safe-coerce"
   , "unsafe-reference"