Change DB Manager Clap usage to derive (#5898)

* implement clap derive for the db manager

* tweak some clap configs

* make cli local

* add global to help flag

* fmt

* Merge branch 'unstable' of https://github.com/sigp/lighthouse into HEAD

* merge

* add enum constraints to flag

Cargo.lock

@@ -1340,6 +1340,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90bc066a67923782aa8515dbaea16946c5bcc5addbd668bb80af688e53e548a0"
 dependencies = [
  "clap_builder",
+ "clap_derive",
 ]
 
 [[package]]
@@ -1355,6 +1356,18 @@ dependencies = [
  "terminal_size",
 ]
 
+[[package]]
+name = "clap_derive"
+version = "4.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "528131438037fd55894f62d6e9f068b8f45ac57ffa77517819645d10aed04f64"
+dependencies = [
+ "heck 0.5.0",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.66",
+]
+
 [[package]]
 name = "clap_lex"
 version = "0.7.0"
@@ -1824,6 +1837,7 @@ dependencies = [
  "clap_utils",
  "environment",
  "hex",
+ "serde",
  "slog",
  "store",
  "strum",