chore: add windows to ci (#28)

* chore: add windows to ci

* chore: skip postinstall, executables

.github/workflows/ci.yml

@@ -2,7 +2,7 @@ name: Lucky Env CI
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
     branches: "*"
 
@@ -13,11 +13,10 @@ jobs:
     runs-on: ubuntu-latest
     continue-on-error: false
     steps:
-      - uses: actions/[email protected]
+      - name: Download source
+        uses: actions/checkout@v3
       - name: Install Crystal
         uses: crystal-lang/install-crystal@v1
-        with:
-          crystal: latest
       - name: Install shards
         run: shards install
       - name: Format
@@ -28,19 +27,19 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        crystal_version:
-          - 1.4.0
-          - latest
-        experimental:
-          - false
-    runs-on: ubuntu-latest
-    continue-on-error: ${{ matrix.experimental }}
+        os: [ubuntu-latest, windows-latest]
+        crystal_version: [latest]
+        include:
+          - os: ubuntu-latest
+            crystal_version: 1.4.0
+    runs-on: ${{ matrix.os }}
+    continue-on-error: false
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: crystal-lang/install-crystal@v1
       with:
-        crystal: ${{matrix.crystal_version}}
+        crystal: ${{ matrix.crystal_version }}
     - name: Install dependencies
-      run: shards install
+      run: shards install --skip-postinstall --skip-executables
     - name: Run tests
       run: crystal spec