ci: preinstall neovim plugins before integration-tests

Previously this caused the first 1-2 tests to fail, although this was
always caught by retries. It's not very clean to have these failures, so
let's be clear and install all neovim plugins beforehand.

.github/workflows/test.yml

@@ -69,6 +69,10 @@ jobs:
           runTests: false
           # https://github.com/cypress-io/github-action/blob/bff0ae58f02476fbc4b13229bcaac2767f645b3e/README.md#pnpm-workspaces
 
+      - name: Preinstall neovim plugins
+        run: pnpm tui neovim exec "Lazy! sync"
+        working-directory: integration-tests
+
       - name: Cypress test
         uses: cypress-io/github-action@v6
         with:

integration-tests/package.json

@@ -15,7 +15,7 @@
     "zod": "3.23.8"
   },
   "devDependencies": {
-    "@tui-sandbox/library": "7.2.1",
+    "@tui-sandbox/library": "7.3.0",
     "@types/node": "22.10.1",
     "@types/tinycolor2": "1.4.6",
     "@typescript-eslint/eslint-plugin": "8.16.0",