Add function ready status in describe output

[creydr]

It'd be nice to see in the output of func describe to see if a function is ready or not like we have in func list:

$ func list                     
NAME     NAMESPACE  RUNTIME  DEPLOYER  URL                                       READY
my-func  default             knative   http://my-func.default.svc.cluster.local  False

This PR addresses it and adds it to the output:

$ func describe my-func                             
Function name:
  my-func
Function is built in image:
 localhost:5001/my-func@sha256:10c2f7cd025266811b9482ae7014b8b293b9a3c78d41d8ab92b0deacf0e37cd1
Function is deployed in namespace:
  default
Routes:
  http://my-func.default.svc.cluster.local
Function is ready:
  false
Deployer:
  knative
Labels:
  boson.dev/function: true
  function.knative.dev/name: my-func
  function.knative.dev/runtime: go

$ func describe my-func -o yaml                     
route: http://my-func.default.svc.cluster.local
...
ready: "false"

Changes

• 🎁 Add function status in describe output

/kind enhancement

Release Note

Provide functions ready status in "func describe" output

[codecov]

Codecov Report

❌ Patch coverage is 81.81818% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 56.32%. Comparing base (50215d6) to head (78688d4).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/keda/describer.go	57.14%	2 Missing and 1 partial ⚠️
cmd/describe.go	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3627      +/-   ##
==========================================
+ Coverage   55.61%   56.32%   +0.70%     
==========================================
  Files         180      180              
  Lines       20549    20571      +22     
==========================================
+ Hits        11429    11586     +157     
+ Misses       7960     7782     -178     
- Partials     1160     1203      +43     

Flag	Coverage Δ
e2e	36.20% <27.27%> (-0.02%)	⬇️
e2e go	32.86% <28.57%> (?)
e2e node	28.62% <28.57%> (-0.01%)	⬇️
e2e python	33.23% <28.57%> (?)
e2e quarkus	28.76% <28.57%> (?)
e2e rust	28.16% <28.57%> (?)
e2e springboot	26.65% <28.57%> (+0.02%)	⬆️
e2e typescript	28.73% <28.57%> (-0.01%)	⬇️
e2e-config-ci	18.05% <0.00%> (-0.03%)	⬇️
integration	17.57% <76.19%> (+0.10%)	⬆️
unit macos-14	43.31% <9.52%> (-0.04%)	⬇️
unit macos-latest	43.31% <9.52%> (-0.05%)	⬇️
unit ubuntu-24.04-arm	43.51% <9.09%> (-0.04%)	⬇️
unit ubuntu-latest	44.18% <9.52%> (-0.05%)	⬇️
unit windows-latest	43.34% <9.52%> (-0.05%)	⬇️

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[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: creydr, lkingland

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