internal/pkg: rename inputs method

Inputs is more correct than dependencies in the current terminology.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/etc.go

@@ -118,8 +118,8 @@ func init() {
 // IsExclusive returns false: Cure performs a few trivial filesystem writes.
 func (cureEtc) IsExclusive() bool { return false }
 
-// Dependencies returns a slice containing the backing iana-etc release.
-func (a cureEtc) Dependencies() []pkg.Artifact {
+// Inputs returns a slice containing the backing iana-etc release.
+func (a cureEtc) Inputs() []pkg.Artifact {
 	if !a.minimal {
 		return []pkg.Artifact{ianaEtc}
 	}