chore: rename node to npm-build workflow

We do not have Node.JS applications but this workflow
just checks if it can build the Javascript frontend using `npm build`.
This should reduce confusion about the workflows intend.

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

Author: susnux

workflow-templates/node.properties.json

@@ -0,0 +1,11 @@
+{
+    "name": "Frontend build workflow",
+    "description": "Nextcloud workflow template for check frontend builds.",
+    "iconName": "npm-build",
+    "categories": [
+        "JavaScript"
+    ],
+    "filePatterns": [
+        "^package.json$"
+    ]
+}

workflow-templates/npm-build.properties.json

@@ -6,7 +6,7 @@
 # SPDX-FileCopyrightText: 2021-2024 Nextcloud GmbH and Nextcloud contributors
 # SPDX-License-Identifier: MIT
 
-name: Node
+name: Build Javascript
 
 on: pull_request