Fix `zcash_keys` feature flag enabling in `zcash_client_*` crates

Cargo.lock

@@ -3076,6 +3076,7 @@ dependencies = [
  "zcash_address",
  "zcash_client_backend",
  "zcash_encoding",
+ "zcash_keys",
  "zcash_note_encryption",
  "zcash_primitives",
  "zcash_proofs",

zcash_client_backend/Cargo.toml

@@ -113,7 +113,11 @@ time = ">=0.3.22, <0.3.24" # time 0.3.24 has MSRV 1.67
 lightwalletd-tonic = ["dep:tonic"]
 
 ## Enables receiving transparent funds and shielding them.
-transparent-inputs = ["dep:hdwallet", "zcash_primitives/transparent-inputs"]
+transparent-inputs = [
+    "dep:hdwallet",
+    "zcash_keys/transparent-inputs",
+    "zcash_primitives/transparent-inputs",
+]
 
 ## Enables receiving and spending Orchard funds.
 orchard = ["dep:orchard"]

zcash_client_sqlite/Cargo.toml

@@ -70,6 +70,7 @@ proptest.workspace = true
 rand_core.workspace = true
 regex = "1.4"
 tempfile = "3.5.0"
+zcash_keys = { workspace = true, features = ["test-dependencies"] }
 zcash_note_encryption.workspace = true
 zcash_proofs = { workspace = true, features = ["bundled-prover"] }
 zcash_primitives = { workspace = true, features = ["test-dependencies"] }