ci: Add engine compatibility check for PRs (external package) (#1360)

Initial idea: #1356 

JIRA: CPOUI5FOUNDATION-1225

`check-engine-light` is run as a regular CI step — if all dependencies
are compatible it exits silently, and if any are incompatible it exits
with code 1, failing the build.

---------

Co-authored-by: Merlin Beutlberger <m.beutlberger@sap.com>

Author: d3xter666

.github/workflows/github-ci.yml

@@ -12,6 +12,7 @@ permissions:
   contents: read
 
 jobs:
+
   test:
     name: General checks and tests
     runs-on: ubuntu-24.04
@@ -25,7 +26,10 @@ jobs:
         node-version: 22.20.0
 
     - name: Install dependencies
-      run: npm ci --engine-strict # --engine-strict is used to fail-fast if deps require node versions unsupported by the repo
+      run: npm ci
+
+    - name: Check Node.js engine compatibility
+      run: npm run check-engine
 
     - name: Check package.json "engines" consistency
       run: |

package-lock.json

@@ -29,6 +29,7 @@
 		"unit": "npm run unit --workspaces --if-present",
 		"coverage": "npm run coverage --workspaces --if-present",
 		"knip": "knip --config knip.config.js",
+		"check-engine": "check-engine-light .",
 		"check-licenses": "licensee --errors-only",
 		"schema-generate": "npm run schema-generate --workspace=@ui5/documentation",
 		"generate-cli-doc": "npm run generate-cli-doc --workspace=@ui5/documentation"
@@ -48,7 +49,8 @@
 		"globals": "^17.3.0",
 		"husky": "^9.1.7",
 		"knip": "^5.83.0",
-		"licensee": "^11.1.1"
+		"licensee": "^11.1.1",
+		"check-engine-light": "0.4.0"
 	},
 	"overrides": {
 		"pacote@<=20": {