Fix CI: fallback to npm install if npm ci fails

Tailwind CSS v4 uses platform-specific native bindings that may
not resolve correctly with npm ci across platforms.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: vbomfim

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
           node-version: 22
           cache: npm
 
-      - run: npm ci
+      - run: npm ci || npm install
 
       - name: Type check
         run: npm run check

.github/workflows/deploy.yml

@@ -25,7 +25,7 @@ jobs:
           node-version: 22
           cache: npm
 
-      - run: npm ci
+      - run: npm ci || npm install
 
       - name: Build
         run: npm run build