scalar: configure maintenance during 'reconfigure' #120

Job	Run time
prereqs	8s
windows_pkg	24m 9s
ubuntu_build	6m 54s
osx_build	12m 12s
ubuntu_sign-artifacts	7m 9s
osx_sign_payload	12m 25s
windows_artifacts (installer, Git)	3m 57s
windows_artifacts (portable, PortableGit)	5m 57s
osx_pack	3m 14s
osx_sign_and_notarize_pkg	21m 6s
osx_publish_dmg	4m 45s
Validate installers (ubuntu-latest, deb-package-signed, git)	17s
Validate installers (macos-latest, osx-signed-pkg, git)	20s
Validate installers (windows-latest, win-installer-x86_64, $PROGRAMFILES\Git\cmd\git.exe)	1m 2s
create-github-release	49s
	1h 44m 24s

Provide feedback