docs: fix documentation links after update

[skip ci]

CONTRIBUTING.md

@@ -13,7 +13,7 @@ There are many ways to contribute to the ZK Stack:
    issues.
 3. Resolve issues: either by showing an issue isn't a problem and the current state is ok as is or by fixing the problem
    and opening a PR.
-4. Report security issues, see [our security policy](./github/SECURITY.md).
+4. Report security issues, see [our security policy](./SECURITY.md).
 5. [Join the team!](https://matterlabs.notion.site/Shape-the-future-of-Ethereum-at-Matter-Labs-dfb3b5a037044bb3a8006af2eb0575e0)
 
 ## Fixing issues
@@ -33,7 +33,7 @@ license.
 We aim to make it as easy as possible to contribute to the mission. This is still WIP, and we're happy for contributions
 and suggestions here too. Some resources to help:
 
-1. [ZKsync Era docs!](https://era.zksync.io/docs/)
+1. [ZKsync Era docs!](https://docs.zksync.io/)
 2. Company links can be found in the [repo's readme](README.md)
 
 ## Code of Conduct

SECURITY.md

@@ -5,7 +5,7 @@ We truly appreciate efforts to discover and disclose security issues responsibly
 ## Vulnerabilities
 
 If you'd like to report a security issue in the repositories of matter-labs organization, please proceed to our
-[Bug Bounty Program on Immunefi](https://era.zksync.io/docs/reference/troubleshooting/audit-bug-bounty.html#bug-bounty-program).
+[Bug Bounty Program on Immunefi](https://docs.zksync.io/build/resources/audit-bug-bounty#bug-bounty-program).
 
 ## Other Security Issues