Update click-to-dial feature files with resource URLs and x-correlator

[YadingFang]

What type of PR is this?

Add one of the following kinds:

• tests

What this PR does / why we need it:

• Added Resource URLs: Added specific resource paths (e.g., /click-to-dial/v0.1rc1/calls) to the Background section of all feature files.
• Added x-correlator Validation: Added validation for the x-correlator header in the Background section, ensuring compliance with the schema.

Special notes for reviewers:

These changes address feedback from the release review (PR #65) to ensure test definitions fully cover standard CAMARA requirements.

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	2		0	0.01s
✅ API	spectral	1		0	2.07s
✅ GHERKIN	gherkin-lint	3		0	1.26s
✅ REPOSITORY	git_diff	yes		no	0.01s
✅ REPOSITORY	secretlint	yes		no	0.83s
✅ YAML	yamllint	1		0	0.62s

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