Release 1.10.3

With newer distros adding an implicit dependency on basic.target, this
creates loop in systemd. To fix this, it is recommended systemd unit
files add the DefaultDependencies=no to avoid this loop.

And because glean currently has a simple dependency on networking,
this appears to be fine.

For more information: https://wiki.debian.org/Teams/pkg-systemd/rcSMigration
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