The previous package was outdated, preventing us from updating TS.
This one also lints YAML and JSON,
and applies many more rules to the test files,
explaining all the changes in this PR.
* refactor: move toCachedNamedNode (private)
* chore: only NamedNodes predicates in removes
* feat: enforce NamedNode predicates in most cases
* feat: getAll only accepts NamedNodes
* feat: toCachedNamedNode only accepts string arg
* tests: use NamedNodes for getAll calls
* test: remove unnecessary string check for coverage
* tests: fix NamedNodes in new tests after rebase
* feat: metadatawriters store NamedNodes
* refactor: toCachedNamedNode as utility function
* fix: double write of linkRelMap
* test: use the CONTENT_TYPE constant