chore: update GitHub Actions workflows to use Node.js 22.x and enhance connection indicator styling in SurfSense plugin

.github/workflows/obsidian-plugin-lint.yml

@@ -25,17 +25,12 @@ jobs:
     defaults:
       run:
         working-directory: surfsense_obsidian
-    strategy:
-      fail-fast: false
-      matrix:
-        node-version: [20.x, 22.x]
-
     steps:
       - uses: actions/checkout@v6
 
       - uses: actions/setup-node@v6
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version: 22.x
           cache: npm
           cache-dependency-path: surfsense_obsidian/package-lock.json