internal/pkg: rename inputs method

Inputs is more correct than dependencies in the current terminology.

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

internal/pkg/exec.go

@@ -407,9 +407,9 @@ func init() {
 		func(r *IRReader) Artifact { return readExecArtifact(r, true) })
 }
 
-// Dependencies returns a slice of all artifacts collected from caller-supplied
+// Inputs returns a slice of all artifacts collected from caller-supplied
 // [ExecPath].
-func (a *execArtifact) Dependencies() []Artifact {
+func (a *execArtifact) Inputs() []Artifact {
 	artifacts := make([][]Artifact, 0, len(a.paths))
 	for _, p := range a.paths {
 		artifacts = append(artifacts, p.A)
@@ -617,7 +617,7 @@ func (c *Cache) EnterExec(
 		return ErrNotExec
 	}
 
-	deps := Collect(a.Dependencies())
+	deps := Collect(a.Inputs())
 	if _, _, err = c.Cure(&deps); err == nil {
 		return errors.New("unreachable")
 	} else if !IsCollected(err) {