Update stable version in repo from 1.3.0 to 1.3.1

[GermanBluefox]

Think about update stable version to 1.3.1

Version: stable=1.3.0 (86 days old) => latest=1.3.1 (15 days old)
Installs: stable=100 (57.47%), latest=20 (11.49%), total=174
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