fix: failed to get nodepool with bootstrap token

[will4j]

What type of PR is this?

/kind bug

What this PR does / why we need it:

As --nodepool-name becomes a Required arguments, executing cmd yurtadm join --nodepool-name=xxx will failed with error msg when --nodepool-name is specified, the specified nodePool should be exist., but the actual cause is nodepools.apps.openyurt.io "xxx" is forbidden: User "system:bootstrap:xxxxx" cannot get resource "nodepools" in API group "apps.openyurt.io" at the cluster scope.

This pr:

1. displays err of GetNodePoolInfoWithRetry
2. add get permission of nodepools to clusterrole yurt-hub-yurt-static-set-role which binding to serviceaccount groupsystem:bootstrappers

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

other Note

[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

[codecov]

Codecov Report

❌ Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 43.89%. Comparing base (0d84778) to head (8bff350).

Files with missing lines	Patch %	Lines
pkg/yurtadm/cmd/join/join.go	0.00%	4 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2490   +/-   ##
=======================================
  Coverage   43.89%   43.89%           
=======================================
  Files         399      399           
  Lines       26560    26563    +3     
=======================================
+ Hits        11659    11661    +2     
- Misses      13841    13843    +2     
+ Partials     1060     1059    -1     

Flag	Coverage Δ
unittests	43.89% <0.00%> (+<0.01%)	⬆️

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