Use functional options for --blob-retention-epochs (#13283)

* blob retention period functional opts

* missed unstaged change

* missed other init after cleardb

* fix ineffassign

* fix dup import

* config failsafe for tests

---------

Co-authored-by: Kasey Kirkham <kasey@users.noreply.github.com>

tools/extractor/BUILD.bazel

@@ -8,7 +8,7 @@ go_library(
     visibility = ["//visibility:public"],
     deps = [
         "//beacon-chain/core/transition/interop:go_default_library",
-        "//beacon-chain/db:go_default_library",
+        "//beacon-chain/db/kv:go_default_library",
         "//config/features:go_default_library",
         "//consensus-types/primitives:go_default_library",
     ],

tools/extractor/main.go

@@ -6,7 +6,7 @@ import (
 	"fmt"
 
 	"github.com/prysmaticlabs/prysm/v4/beacon-chain/core/transition/interop"
-	"github.com/prysmaticlabs/prysm/v4/beacon-chain/db"
+	"github.com/prysmaticlabs/prysm/v4/beacon-chain/db/kv"
 	"github.com/prysmaticlabs/prysm/v4/config/features"
 	"github.com/prysmaticlabs/prysm/v4/consensus-types/primitives"
 )
@@ -23,7 +23,7 @@ func main() {
 	defer resetCfg()
 	flag.Parse()
 	fmt.Println("Starting process...")
-	d, err := db.NewDB(context.Background(), *datadir)
+	d, err := kv.NewKVStore(context.Background(), *datadir)
 	if err != nil {
 		panic(err)
 	}