message: doc: Update dependencies.md with a new Qt version
  Qt version is bumped to 5.12.10 in
diff: @@ -21,7 +21,7 @@ These are the dependencies currently used by Peercoin. You can find instructions
  | PCRE | | | | | [Yes](https://github.com/bitcoin/bitcoin/blob/master/depends/packages/qt.mk) |
  | Python (tests) | | [3.6](https://www.python.org/downloads) | | | |
  | qrencode | [3.4.4](https://fukuchi.org/works/qrencode) | | No | | |
  -| Qt | [5.9.8](https://download.qt.io/official_releases/qt/) | [5.9.5](https://github.com/bitcoin/bitcoin/issues/20104) | No | | |
  +| Qt | [5.12.10](https://download.qt.io/official_releases/qt/) | [5.9.5](https://github.com/bitcoin/bitcoin/issues/20104) | No | | |
  | SQLite | [3.32.1](https://sqlite.org/download.html) | [3.7.17](https://github.com/bitcoin/bitcoin/pull/19077) | | | |
  | XCB | | | | | [Yes](https://github.com/bitcoin/bitcoin/blob/master/depends/packages/qt.mk) (Linux only) |
  | xkbcommon | | | | | [Yes](https://github.com/bitcoin/bitcoin/blob/master/depends/packages/qt.mk) (Linux only) |
  