Add changeset

Author: bdrhn9

.changeset/puny-toes-leave.md

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+---
+'@api3/contracts': patch
+---
+
+Updates RPC provider configurations:
+
+- Add publicnode for berachain, fraxtal, metis-sepolia-testnet, metis, soneium-sepolia-test
+  net, soneium, sonic-testnet, unichain-sepolia-testnet, and unichain
+- Add reblok for fraxtal
+- Add blastapi for lumia, soneium
+- Add tenderly for mode
+- Add nirvanalabs for lumia
+- Add alchemy for apechain, lumia, polygon
+- Add drpc for berachain, merlin, unichain
+- Replace ankr with alchemy for metis, optimism, polygon-zkevm
+- Replace ankr with blastapi for sonic
+- Replace blastapi with alchemy for opbnb
+- Remove blockpi from conflux
+- Remove reblok from lumia