chore: adding v3.5.5 Changelog updates

CHANGELOG.md

@@ -4,6 +4,17 @@ All notable changes to this project will be documented in this file. Dates are d
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+#### [v3.5.5](https://github.com/nevermined-io/contracts/compare/v3.5.4...v3.5.5)
+
+> 11 December 2023
+
+- Providers can mint tokens [`#525`](https://github.com/nevermined-io/contracts/pull/525)
+- Deployment of v3.5.4 to Arbitrum Sepolia [`#524`](https://github.com/nevermined-io/contracts/pull/524)
+- Upgrading contracts to v3.5.4 [`#523`](https://github.com/nevermined-io/contracts/pull/523)
+- chore: upgrading contracts to v3.5.4 [`29ee26c`](https://github.com/nevermined-io/contracts/commit/29ee26c7f4d1ccfb05331d3d6f7d9cff3b9b3e7d)
+- feat: deployment of v3.5.4 to Arbitrum Sepolia [`032e9e5`](https://github.com/nevermined-io/contracts/commit/032e9e5ab0fe25fd171728f164e9235fc2258843)
+- chore: upgrading mumbai to v3.5.4 [`6ab655e`](https://github.com/nevermined-io/contracts/commit/6ab655eba0f82e7f9f3fe9a69f05d673f95875b6)
+
 #### [v3.5.4](https://github.com/nevermined-io/contracts/compare/v3.5.3...v3.5.4)
 
 > 3 November 2023

hardhat.config.js

@@ -224,7 +224,7 @@ module.exports = {
         },
         // Polygon: matic mainnet
         matic: {
-            url: url || 'https://matic-mainnet.chainstacklabs.com',
+            url: url || 'https://polygon-mainnet.infura.io/v3/d61e640c4d2c4079b775e99ca0cfcc32',
             chainId: 137,
             accounts,
             confirmations: 2,
@@ -260,7 +260,7 @@ module.exports = {
             polygonMumbai: process.env.POLYGONSCAN_TOKEN,
             polygon: process.env.POLYGONSCAN_TOKEN,
             arbitrumGoerli: process.env.ARBISCAN_TOKEN,
-            arbitrumSepolia: process.env.ARBISCAN_TOKEN,
+            //            arbitrumSepolia: process.env.ARBISCAN_TOKEN,
             arbitrumOne: process.env.ARBISCAN_TOKEN,
             chiado: process.env.GNOSIS_TOKEN,
             gnosis: process.env.GNOSIS_TOKEN