fix: set the default ttl to 60s

[zhiying-lin]

What type of PR is this?

/kind bug
/kind test

What this PR does / why we need it:

• fix the TTL bug, atm's ttl default value is 0
• add azure client in e2e to validate azure resources

Which issue(s) this PR fixes:

Fixes #

Requirements:

• run make reviewable for basic local test
• Read and followed fleet-networking's Code of conduct.
• uses conventional commit messages
• includes documentation
• adds unit tests

How has this code been tested

e2e tests passed, https://github.com/Azure/fleet-networking/actions/runs/12463049682

Special notes for your reviewer

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.96%. Comparing base (a3d3bd7) to head (b920825).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #235      +/-   ##
==========================================
+ Coverage   79.76%   79.96%   +0.20%     
==========================================
  Files          27       27              
  Lines        3840     3844       +4     
==========================================
+ Hits         3063     3074      +11     
+ Misses        621      615       -6     
+ Partials      156      155       -1     

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Copilot reviewed 5 out of 9 changed files in this pull request and generated 1 comment.

Files not reviewed (4)

• go.mod: Language not supported
• pkg/controllers/hub/trafficmanagerprofile/controller_test.go: Evaluated as low risk
• test/common/trafficmanager/validator/profile.go: Evaluated as low risk
• test/common/trafficmanager/fakeprovider/profile.go: Evaluated as low risk

Comments suppressed due to low confidence (1)

test/e2e/e2e_test.go:96

• [nitpick] The error message 'Failed to create client' is vague. It should be updated to specify which client creation failed, e.g., 'Failed to create ProfilesClient' or 'Failed to create EndpointsClient'.

Expect(err).Should(Succeed(), "Failed to create client")