♻️ Update ZKsync Explorer Links

Signed-off-by: pcaversaccio <pascal.caversaccio@hotmail.ch>

Author: pcaversaccio

README.md

@@ -95,7 +95,7 @@ All files                       |      100 |      100 |      100 |      100 |
   - Gravity Alpha: [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://explorer.gravity.xyz/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
   - Unichain: [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://uniscan.xyz/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
   - Arena-Z: [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://explorer.arena-z.gg/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
-  - ZKsync Era: [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://era.zksync.network/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
+  - ZKsync Era: [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://explorer.zksync.io/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
   - Abstract: [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://abscan.org/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
   - Etherlink: [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://explorer.etherlink.com/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
   - Monad: [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://monadscan.com/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
@@ -164,7 +164,7 @@ All files                       |      100 |      100 |      100 |      100 |
   - Gravity Alpha Testnet (Sepolia): [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://explorer-sepolia.gravity.xyz/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
   - Unichain Testnet (Sepolia): [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://sepolia.uniscan.xyz/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
   - Arena-Z Testnet (Sepolia): [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://arena-z.blockscout.com/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
-  - ZKsync Era Testnet (Sepolia): [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://sepolia-era.zksync.network/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
+  - ZKsync Era Testnet (Sepolia): [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://sepolia.explorer.zksync.io/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
   - Abstract Testnet (Sepolia): [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://sepolia.abscan.org/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
   - Etherlink Testnet (Ghostnet; ⚠️ Deprecated): [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://testnet.explorer.etherlink.com/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)
   - Etherlink Testnet (Shadownet): [`0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2`](https://shadownet.explorer.etherlink.com/address/0x13b0D85CcB8bf860b6b79AF3029fCA081AE9beF2)