Bump Go to v1.24.6; update documentation

core/edit.go

@@ -8,6 +8,8 @@ import (
 )
 
 // GetOldEntryData decrypts and returns old entry data (with all required lines present).
+// This is a wrapper around the DecryptFileToSlice function that ensures all required lines are present in the returned slice.
+// This makes it ideal for editing entries, as it guarantees at least a baseline slice length.
 func GetOldEntryData(targetLocation string, field int) ([]string, error) {
 	// ensure targetLocation exists and is a file
 	_, err := back.TargetIsFile(targetLocation, true)

go.mod

@@ -1,6 +1,6 @@
 module github.com/rwinkhart/libmutton
 
-go 1.24.5
+go 1.24.6
 
 require (
 	github.com/pkg/sftp v1.13.9