internal/pkg: rename inputs method

Inputs is more correct than dependencies in the current terminology.

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

internal/pkg/ir.go

@@ -241,7 +241,7 @@ func (ic *irCache) encode(
 	a Artifact,
 	inputs map[Artifact]cureRes,
 ) (err error) {
-	deps := a.Dependencies()
+	deps := a.Inputs()
 	idents := make([]*extIdent, len(deps))
 	if inputs == nil {
 		for i, d := range deps {
@@ -330,7 +330,7 @@ func (ic *irCache) encodeAll(
 		return
 	}
 
-	for _, d := range a.Dependencies() {
+	for _, d := range a.Inputs() {
 		if err = ic.encodeAll(w, d, encoded); err != nil {
 			return
 		}