[apps-portfolio] Create a parameterized Cloud Build config for local builds #4
Description
As a follow-up to issue #3, this task is to create a new Cloud Build configuration file (e.g., justfile_cloudbuild.yaml) that can be invoked from the justfile.\n\nThis new configuration should accept parameters, specifically the app version, allowing for versioned builds to be triggered locally without affecting the primary cloudbuild.yaml used by the automated Git trigger.\n\nThe justfile should be updated with a new command (e.g., just local-cloud-build) to invoke this new configuration.