Improve our `hack/` scripting!

[gauron99]

• https://github.com/knative/func/blob/main/hack/update-ca-bundle.js
• https://github.com/knative/func/blob/main/hack/update-quarkus-platform.js
• https://github.com/knative/func/blob/main/hack/update-springboot-platform.js
• It would be nice to have something like func dev to setup a cluster for users to use easily -- start with using allocate.sh -- make target