Better logging in case of errors while syncing due to a specific tag of a package

[0xIbra]

We recently had a problem with package syncing, the error was related to an encoding issue, but the problem was we didn't know in which tag to look as the logs didn't provide this info.

My suggestion would be to provide the info that informs us which tag causes the problem here:

repman/src/Service/PackageSynchronizer/ComposerPackageSynchronizer.php

Line 221 in c384362

$package->syncFailure(sprintf('Error: %s%s',