build(nx-plugin): keep supported nx version at >17 and <=19

Author: vmasek

packages/nx-plugin/package.json

@@ -32,10 +32,10 @@
   "generators": "./generators.json",
   "executors": "./executors.json",
   "dependencies": {
-    "@nx/devkit": "^19.8.9",
-    "nx": "^19.8.9",
     "@code-pushup/models": "0.56.0",
-    "zod": "^3.22.4",
-    "@code-pushup/utils": "0.56.0"
+    "@code-pushup/utils": "0.56.0",
+    "@nx/devkit": "^17.0.0 || ^18.0.0 || ^19.0.0",
+    "nx": "^17.0.0 || ^18.0.0 || ^19.0.0",
+    "zod": "^3.22.4"
   }
 }