Update README to point to current project board

Author: BigLep

README.md

@@ -2,7 +2,7 @@
 
 This repo is the project management hub for PL's efforts contributing to the Web3 ecosystem through improvements to libp2p, IPFS, IPLD, Filecoin and other projects.
 
-The primary planning mechanism is discussion of proposals for significant projects to be undertaken by PL-sponsored project teams. Check them out on the [projects board](https://github.com/protocol/web3-dev-team/projects/1). Pitch a new project by [filing an issue](https://github.com/protocol/web3-dev-team/issues/new/choose) using the project proposal template.
+The primary planning mechanism is discussion of proposals for significant projects to be undertaken by PL-sponsored project teams. Check them out on the [projects board](https://github.com/protocol/web3-dev-team/projects/3). Pitch a new project by [filing an issue](https://github.com/protocol/web3-dev-team/issues/new/choose) using the project proposal template.
 
 # Projects