[Snyk] Security upgrade @twilio/cli-core from 6.8.1 to 7.26.5

[twilio-product-security]

Snyk has created this PR to fix 2 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• package.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Cross-site Request Forgery (CSRF) SNYK-JS-AXIOS-6032459	167
	Regular Expression Denial of Service (ReDoS) SNYK-JS-AXIOS-6124857	67

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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Cross-site Request Forgery (CSRF) 🦉 Regular Expression Denial of Service (ReDoS)