Update package and workflow dependencies (#109)

* chore (deps): upgrade to @actions/cache v4. also ran `npm audit fix` due to 3 vulnerabilities.

@actions/cache deprecation notice: actions/toolkit#1890

* chore (deps): bump all to latest versions

* chore (deps): update node-version in github workflows to 22

* fix: manually uploadindex.js (no line changes) and source map for now

Author: rivanuff

.github/workflows/check-dist.yml

@@ -20,7 +20,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 20.x
+          node-version: 22.x
 
       - name: Install dependencies
         run: npm ci

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
         fetch-depth: 0
     - uses: actions/setup-node@v4
       with:
-        node-version: 20.x
+        node-version: 22.x
     - run: mkdir trellis
     - uses: ./
       with: