chore: update backstage/cli to 0.35.4

[Zaperex]

Description

Updates backstage-cli to 0.35.4 to fix an issue with multiple versions of webpack being used when running with npx.

/home/frkong/.npm/_npx/6f3461dc3b5b6b27/node_modules/@red-hat-developer-hub/cli/dist/lib/bundler/bundlePlugin.cjs.js:74                                                                                     
            throw new Error(errors2[0]);                                                                    
            ^                                                                                               
                                                                                                            
Error: The 'compilation' argument must be an instance of Compilation                                        
    at                                                                                                      
/home/frkong/.npm/_npx/6f3461dc3b5b6b27/node_modules/@red-hat-developer-hub/cli/dist/lib/bundler/bundlePlugi
n.cjs.js:74:19                                                                                              
    at                                                                                                      
/home/frkong/.npm/_npx/6f3461dc3b5b6b27/node_modules/@red-hat-developer-hub/cli/node_modules/webpack/lib/web
pack.js:199:27                                                                                              
    at process.processTicksAndRejections (node:internal/process/task_queues:85:11)                          
                                                                                                            
Node.js v22.16.0   

[gashcrumb]

Right, I forgot, you'll also need to bump the version in the CLI's package.json to a new patch level, and update the changelog, as we'll need to do a release for this.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud