add install step

.github/workflows/ci.yml

@@ -22,6 +22,9 @@ jobs:
         with:
           deno-version: v2.x
 
+      - name: Install Dependencies
+        run: deno install
+
       - name: Cache Deno dependencies
         uses: actions/cache@v4
         with:

.github/workflows/pr.yml

@@ -25,6 +25,9 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-deno-
       
+      - name: Install Dependencies
+        run: deno install
+
       - name: Cache Dependencies
         run: deno cache src/index.tsx