Update dependency ch.qos.logback:logback-classic to v1.2.8 - abandoned

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This PR contains the following updates:

Package	Type	Update	Change
ch.qos.logback:logback-classic (source)	compile	minor	1.1.3 -> 1.2.8

By merging this PR, the below issues will be automatically resolved and closed:

Severity	CVSS Score	CVE	GitHub Issue
High	9.8	CVE-2017-5929	#1
Medium	6.6	CVE-2021-42550	#73

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