Update dependency node to v26

.forgejo/workflows/check.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: '22.x'
+          node-version: '26.x'
           check-latest: true
 
       # package-lock.json is gitignored, so cache the global npm download cache

.forgejo/workflows/publish.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: '22.x'
+          node-version: '26.x'
           check-latest: true
 
       - name: Cache npm dependencies
@@ -64,7 +64,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: '22.x'
+          node-version: '26.x'
           check-latest: true
           registry-url: 'https://registry.npmjs.org'