Add deprecation qualifiers for CRAN

[eloiferrer]

Issue description:
There is no indication for deprecated R packages in the KG.

TODOS:

• For all deprecated packages add qualifier 'End Time' (https://www.wikidata.org/wiki/Property:P582) to the CRAN Project (https://www.wikidata.org/wiki/Property:P5565) statement.

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