Update permissions in diff.yml workflow

[matentzn]

Add permissions for pull-requests and contents in workflow

[github-actions]

Changes added to the edit file this PR

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Ontologies are identical

Changes to ontology after reasoner runs

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Coming soon

Errors reported

Level	Rule Name	Subject	Property	Value
WARN	missing_definition	output_of	definition	
WARN	missing_definition	preceded_by	definition	
WARN	missing_definition	precedes	definition	
WARN	missing_obsolete_label	DEPRECATED increased subtelomere-derived RNA level	rdfs:label	DEPRECATED increased subtelomere-derived RNA level
WARN	missing_obsolete_label	DEPRECATED increased protein localization to chromatin at centromere outer repeat	rdfs:label	DEPRECATED increased protein localization to chromatin at centromere outer repeat
INFO	lowercase_definition	has_output	definition	p has output c if either: p has direct output c or p has output input c. Implies that if p happens, c always ensues.
INFO	missing_superclass	phenotype	rdfs:subClassOf