Feat: add deleteTransaction

[katspaugh]

A new delete transaction endpoint was added in safe-global/safe-client-gateway#1063

Specs: https://www.notion.so/safe-global/Deleting-transactions-e62a1f6a6d2547eab25243663e0325f1

[github-actions]

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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}