Make qmk doctor print out the last log entry for upstream/{master,develop}, including dates

[tzarc]

Description

Adds some extra qmk doctor logging output to show the latest commit for both upstream/master and upstream/develop.

Simplifies investigations on our side:

% qmk doctor
Ψ QMK Doctor is checking your environment.
Ψ CLI version: 1.1.0
Ψ QMK home: /home/nickb/qmk_build/qmk_firmware
Ψ Detected Linux.
Ψ Git branch: doctor-last-log-entries
Ψ Repo version: 0.17.5
Ψ - Latest doctor-last-log-entries: 2022-07-20 13:46:58 +1000 (f8d6d1571d) -- Add submodules, common ancestor.
Ψ - Latest upstream/master: 2022-07-20 01:55:48 +0100 (00c8e24c6a) -- [Keymap] Michal Keymap for Sofle rev1 (#17610)
Ψ - Latest upstream/develop: 2022-07-20 00:56:25 +0000 (fa44f2b21e) -- Merge remote-tracking branch 'origin/master' into develop
Ψ - Common ancestor with upstream/master: 2022-07-18 19:20:19 +0700 (c10d0fc785) -- Add Support for Massdrop's Stack Overflow The Key V2 (#17696)
Ψ - Common ancestor with upstream/develop: 2022-07-18 19:20:19 +0700 (c10d0fc785) -- Add Support for Massdrop's Stack Overflow The Key V2 (#17696)
Ψ CLI installed in virtualenv.
Ψ All dependencies are installed.
Ψ Found arm-none-eabi-gcc version 8.3.1
Ψ Found avr-gcc version 5.4.0
Ψ Found avrdude version 6.3-20171130
Ψ Found dfu-util version 0.9
Ψ Found dfu-programmer version 0.6.1
Ψ Submodules are up to date.
Ψ Submodule status:
Ψ - lib/chibios: 2021-12-08 11:37:03 +0000 -- svn-mirror/ver21.11.1 (257302333)
Ψ - lib/chibios-contrib: 2022-04-18 12:52:47 +0200 -- develop_2021_q3-198-g2a6b73ff (2a6b73ff)
Ψ - lib/googletest: 2021-06-11 06:37:43 -0700 -- release-1.10.0-681-ge2239ee6 (e2239ee6)
Ψ - lib/lufa: 2021-07-31 15:44:44 +1000 -- breakpoint_2021_08_28 (19a5d533f)
Ψ - lib/printf: 2020-01-01 18:16:48 +0100 -- v4.0.0-3-gd3b9846 (d3b9846)
Ψ - lib/vusb: 2020-08-16 01:07:21 +0100 -- releases/20121206-15-gbdb53e4 (bdb53e4)
Ψ QMK is ready to go

Types of Changes

• Core
• Bugfix
• New feature
• Enhancement/optimization
• Keyboard (addition or update)
• Keymap/layout/userspace (addition or update)
• Documentation

Checklist

• My code follows the code style of this project: C, Python
• I have read the PR Checklist document and have made the appropriate changes.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• I have tested the changes and verified that they work and don't break anything (as well as I can manage).

[KarlK90]

LGTM! While we are at it shall we add all the submodules as well?

[tzarc]

Added submodules, as well as listing common ancestor with upstream/master and upstream/develop.

[KarlK90]

Nice! 🎉