Update prerequisite versions for spaces 1.2.0

[tnthornton]

Description of your changes

With Spaces 1.2.0 a few of the prerequisites had version changes. This updated up to target those versions.

I have:

• [X] Read and followed Upbound's contribution process.
• [X] Run make reviewable to ensure this PR is ready for review.

How has this code been tested

1. Attempted up space init and was able to successfully install 1.2.0-rc.1

   
   ./_output/bin/darwin_arm64/up space init --token-file=key.json "v1.2.0-rc.1" --set account=taylort
   INFO  Setting defaults for vanilla Kubernetes (type kind)
   WARNING  One or more required prerequisites are not installed:

❌ cert-manager ❌ universal-crossplane ❌ ingress-nginx ❌ provider-kubernetes ❌ provider-helm

Would you like to install them now? [y/N]: Yes

✓ [1/5]: Installing cert-manager ✓ [2/5]: Installing universal-crossplane ✓ [3/5]: Installing ingress-nginx ✓ [4/5]: Installing provider-kubernetes ✓ [5/5]: Installing provider-helm INFO Required prerequisites met! INFO Proceeding with Upbound Spaces installation... ✓ [1/3]: Creating pull secret upbound-pull-secret ✓ [2/3]: Initializing Space components ✓ [3/3]: Starting Space Components 🙌 Your Upbound Space is Ready!

👀 Next Steps 👇

👉 Check out Upbound Spaces docs @ https://docs.upbound.io/concepts/upbound-spaces