[SDK] feat: update zksync chain checks

[joaquim-verges]

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PR-Codex overview

This PR updates the isZkSyncChain function to modify the conditions for identifying specific chain.id values.

Detailed summary

• Removed the condition chain.id === 61166.
• Added the condition chain.id === 555272.
• The overall logic now includes chain.id values of 240, 555271, 61166, and 555272 to return true.

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[joaquim-verges]

• [SDK] feat: update zksync chain checks #6408 👈 (View in Graphite)
• main

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size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
thirdweb (esm)	46.76 KB (-0.13% 🔽)	936 ms (-0.13% 🔽)	183 ms (+133.57% 🔺)	1.2 s
thirdweb (cjs)	127.15 KB (-0.16% 🔽)	2.6 s (-0.16% 🔽)	292 ms (+8.7% 🔺)	2.9 s
thirdweb (minimal + tree-shaking)	5.6 KB (0%)	112 ms (0%)	91 ms (+959.06% 🔺)	202 ms
thirdweb/chains (tree-shaking)	506 B (0%)	10 ms (0%)	36 ms (+745.22% 🔺)	46 ms
thirdweb/react (minimal + tree-shaking)	19.34 KB (+0.04% 🔺)	387 ms (+0.04% 🔺)	88 ms (+392.48% 🔺)	475 ms