Add lockfile-check (#18285)

* Add lockfile-check

This check runs `npm install` which will rewrite the lockfile in case it
is inconsistent with package.json. This check detects this and will fail
the CI in such a case.

Makefile

@@ -292,7 +292,7 @@ fmt-check:
 checks: checks-frontend checks-backend
 
 .PHONY: checks-frontend
-checks-frontend: svg-check
+checks-frontend: lockfile-check svg-check
 
 .PHONY: checks-backend
 checks-backend: swagger-check swagger-validate
@@ -700,6 +700,17 @@ svg-check: svg
 		exit 1; \
 	fi
 
+.PHONY: lockfile-check
+lockfile-check:
+	npm install --package-lock-only
+	@diff=$$(git diff package-lock.json); \
+	if [ -n "$$diff" ]; then \
+		echo "package-lock.json is inconsistent with package.json"; \
+		echo "Please run 'npm install --package-lock-only' and commit the result:"; \
+		echo "$${diff}"; \
+		exit 1; \
+	fi
+
 .PHONY: update-translations
 update-translations:
 	mkdir -p ./translations

package.json

@@ -1,4 +1,5 @@
 {
+  "name": "gitea",
   "license": "MIT",
   "private": true,
   "type": "module",