doc: Improve dependencies.md documentation

- Remove the "Version used" column from the dependencies tables as the
  depends package definition which defines the version used is already
  linked. In case a developer is interested in which PR introduced this
  file/version they can use `git blame` on the package definition as
  usual. This removes doc. maintenance overhead and eliminates the risk
  of stale information about the "Version used", see comment:
  bitcoin/bitcoin#31895 (comment)

- Separate dependency tables into build-time and run-time tables for
  easier distinction of the two and to avoid repeating the same
  information ("No"/"Yes") for better readability.

- Order dependencies alphabetically

Author: NicolaLS

doc/dependencies.md

@@ -2,8 +2,7 @@
 
 These are the dependencies used by Bitcoin Core.
 You can find installation instructions in the `/doc/build-*.md` file for your platform, or self-compile
-them using [depends](/depends/README.md). "Runtime" and "Version Used" are both in reference to the
-release binaries.
+them using [depends](/depends/README.md).
 
 ## Compiler
 
@@ -16,22 +15,36 @@ Bitcoin Core requires one of the following compilers.
 
 ## Required
 
-| Dependency | Releases | Version used | Minimum required | Runtime |
-| --- | --- | --- | --- | --- |
-| CMake | [link](https://cmake.org/) | N/A | [3.22](https://github.com/bitcoin/bitcoin/pull/30454) | No |
-| [Boost](../depends/packages/boost.mk) | [link](https://www.boost.org/users/download/) | [1.81.0](https://github.com/bitcoin/bitcoin/pull/26557) | [1.73.0](https://github.com/bitcoin/bitcoin/pull/29066) | 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 | [2.31](https://github.com/bitcoin/bitcoin/pull/29987) | Yes |
+### Build
+
+| Dependency | Releases | Minimum required |
+| --- | --- | --- |
+| [Boost](../depends/packages/boost.mk) | [link](https://www.boost.org/users/download/) | [1.73.0](https://github.com/bitcoin/bitcoin/pull/29066) |
+| CMake | [link](https://cmake.org/) | [3.22](https://github.com/bitcoin/bitcoin/pull/30454) |
+| [libevent](../depends/packages/libevent.mk) | [link](https://github.com/libevent/libevent/releases) | [2.1.8](https://github.com/bitcoin/bitcoin/pull/24681) |
+
+### Runtime
+
+| Dependency | Releases | Minimum required |
+| --- | --- | --- |
+| glibc | [link](https://www.gnu.org/software/libc/) | [2.31](https://github.com/bitcoin/bitcoin/pull/29987)
 
 ## Optional
 
-| Dependency | Releases | Version used | Minimum required | Runtime |
-| --- | --- | --- | --- | --- |
-| [Fontconfig](../depends/packages/fontconfig.mk) (gui) | [link](https://www.freedesktop.org/wiki/Software/fontconfig/) | [2.12.6](https://github.com/bitcoin/bitcoin/pull/23495) | 2.6 | Yes |
-| [FreeType](../depends/packages/freetype.mk) (gui) | [link](https://freetype.org) | [2.11.0](https://github.com/bitcoin/bitcoin/commit/01544dd78ccc0b0474571da854e27adef97137fb) | 2.3.0 | Yes |
-| [qrencode](../depends/packages/qrencode.mk) (gui) | [link](https://fukuchi.org/works/qrencode/) | [4.1.1](https://github.com/bitcoin/bitcoin/pull/27312) | N/A | No |
-| [Qt](../depends/packages/qt.mk) (gui) | [link](https://download.qt.io/archive/qt/) | [6.7.3](https://github.com/bitcoin/bitcoin/pull/30997) | [6.2](https://github.com/bitcoin/bitcoin/pull/30997) | No |
-| [ZeroMQ](../depends/packages/zeromq.mk) (notifications) | [link](https://github.com/zeromq/libzmq/releases) | [4.3.4](https://github.com/bitcoin/bitcoin/pull/23956) | 4.0.0 | No |
-| [SQLite](../depends/packages/sqlite.mk) (wallet) | [link](https://sqlite.org) | [3.38.5](https://github.com/bitcoin/bitcoin/pull/25378) | [3.7.17](https://github.com/bitcoin/bitcoin/pull/19077) | No |
-| Python (scripts, tests) | [link](https://www.python.org) | N/A | [3.10](https://github.com/bitcoin/bitcoin/pull/30527) | No |
-| [systemtap](../depends/packages/systemtap.mk) ([tracing](tracing.md)) | [link](https://sourceware.org/systemtap/) | [4.8](https://github.com/bitcoin/bitcoin/pull/26945)| N/A | No |
+### Build
+
+| Dependency | Releases | Minimum required |
+| --- | --- | --- |
+| Python (scripts, tests) | [link](https://www.python.org) | [3.10](https://github.com/bitcoin/bitcoin/pull/30527) |
+| [Qt](../depends/packages/qt.mk) (gui) | [link](https://download.qt.io/archive/qt/) | [6.2](https://github.com/bitcoin/bitcoin/pull/30997) |
+| [qrencode](../depends/packages/qrencode.mk) (gui) | [link](https://fukuchi.org/works/qrencode/) | N/A |
+| [SQLite](../depends/packages/sqlite.mk) (wallet) | [link](https://sqlite.org) | [3.7.17](https://github.com/bitcoin/bitcoin/pull/19077) |
+| [systemtap](../depends/packages/systemtap.mk) ([tracing](tracing.md)) | [link](https://sourceware.org/systemtap/) | N/A |
+| [ZeroMQ](../depends/packages/zeromq.mk) (notifications) | [link](https://github.com/zeromq/libzmq/releases) | 4.0.0 |
+
+### Runtime
+
+| Dependency | Releases | Minimum required |
+| --- | --- | --- |
+| [Fontconfig](../depends/packages/fontconfig.mk) (gui) | [link](https://www.freedesktop.org/wiki/Software/fontconfig/) | 2.6 |
+| [FreeType](../depends/packages/freetype.mk) (gui) | [link](https://freetype.org) | 2.3.0 |