fix: monorepo resolve non-existent @nrwl/[email protected] dependency (#931)

- Pin nx and @nx/devkit to ~19.8.14 to avoid problematic 19.8.15
- [email protected] depends on non-existent @nrwl/[email protected]
- Use tilde range to allow patch updates while staying stable
- Fixes ERR_PNPM_NO_MATCHING_VERSION during project generation

Resolves monorepo-java project creation failures

Author: richersoon

packages/monorepo/src/components/nx-configurator.ts

@@ -458,8 +458,8 @@ export class NxConfigurator extends Component implements INxProjectCore {
         obj: {
           devDependencies: {
             ...this.nxPlugins,
-            nx: "^19",
-            "@nx/devkit": "^19",
+            nx: "19.8.14",
+            "@nx/devkit": "19.8.14",
           },
           private: true,
           engines: {