Update link to Awesome Mastodon

readme.md

@@ -710,7 +710,7 @@
 - [Bitcoin](https://github.com/igorbarinov/awesome-bitcoin#readme) - Bitcoin services and tools for software developers.
 - [Ripple](https://github.com/vhpoet/awesome-ripple#readme) - Open source distributed settlement network.
 - [Non-Financial Blockchain](https://github.com/machinomy/awesome-non-financial-blockchain#readme) - Non-financial blockchain applications.
-- [Mastodon](https://github.com/tleb/awesome-mastodon#readme) - Open source decentralized microblogging network.
+- [Mastodon](https://github.com/hyperupcall/awesome-mastodon#readme) - Open source decentralized microblogging network.
 - [Ethereum](https://github.com/ttumiel/Awesome-Ethereum#readme) - Distributed computing platform for smart contract development.
 - [Blockchain AI](https://github.com/steven2358/awesome-blockchain-ai#readme) - Blockchain projects for artificial intelligence and machine learning.
 - [EOSIO](https://github.com/DanailMinchev/awesome-eosio#readme) - A decentralized operating system supporting industrial-scale apps.