github: disable dependabot version updates (bug 1780012)
The current dependabot version updates does not allow configuring different Python versions for different requirement files. Until this bug is fixed, dependabot version updates (non-security) should be disabled.
Coverage remained the same at 91.381% when pulling e5e87520d72e83d1936b075ff487321c4372467c on zeid/bug-1780012-disable-dependabot into dca7ed646abeb68d11f5cb4c3f2803b2ca193f67 on main.
Closing for now as some of the pull requests still pass (e.g. for packages that behave the same on all platforms).
See also: https://github.com/dependabot/dependabot-core/issues/4606 and https://github.com/dependabot/dependabot-core/issues/4607.