fix: support CI installs without lockfile

Author: sdwolf4103

.github/workflows/compatibility.yml

@@ -15,8 +15,7 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: 20
-          cache: npm
-      - run: npm ci
+      - run: npm install
       - run: npm run typecheck
       - run: npm test
 
@@ -27,8 +26,7 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: 20
-          cache: npm
-      - run: npm ci
+      - run: npm install
       - run: npm install --no-save @opencode-ai/plugin@latest
       - run: npm run typecheck
-      - run: npm test
+      - run: npm test