doc: Update Boost version in doc/dependencies.md

Author: hebasto

doc/dependencies.md

@@ -17,7 +17,7 @@ You can find installation instructions in the `build-*.md` file for your platfor
 
 | Dependency | Releases | Version used | Minimum required | Runtime |
 | --- | --- | --- | --- | --- |
-| [Boost](../depends/packages/boost.mk) | [link](https://www.boost.org/users/download/) | [1.80.0](https://github.com/bitcoin/bitcoin/pull/25873) | [1.64.0](https://github.com/bitcoin/bitcoin/pull/22320) | No |
+| [Boost](../depends/packages/boost.mk) | [link](https://www.boost.org/users/download/) | [1.81.0](https://github.com/bitcoin/bitcoin/pull/26557) | [1.64.0](https://github.com/bitcoin/bitcoin/pull/22320) | No |
 | [libevent](../depends/packages/libevent.mk) | [link](https://github.com/libevent/libevent/releases) | [2.1.12-stable](https://github.com/bitcoin/bitcoin/pull/21991) | [2.1.8](https://github.com/bitcoin/bitcoin/pull/24681) | No |
 | glibc | [link](https://www.gnu.org/software/libc/) | N/A | [2.18](https://github.com/bitcoin/bitcoin/pull/23511) | Yes |
 | Linux Kernel | [link](https://www.kernel.org/) | N/A | 3.2.0 | Yes |