Fix: update CGW URL

[katspaugh]

What it solves

Updates the CGW host.

Also see safe-global/safe-wallet-monorepo#981

[github-actions]

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[github-actions]

ESLint Summary View Full Report

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Type	Occurrences	Fixable
Errors	0	0
Warnings	0	0
Ignored	0	N/A

• Result: ✅ success
• Annotations: 0 total

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^{Report generated by eslint-plus-action}

[coveralls]

Pull Request Test Coverage Report for Build 3321804201

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 41.921%

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Totals
Change from base Build 3250228778:	0.0%
Covered Lines:	4777
Relevant Lines:	10403

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💛 - Coveralls