Bump BEEFY (#2946)

Cargo.lock

@@ -456,7 +456,7 @@ checksum = "6736e2428df2ca2848d846c43e88745121a6654696e349ce0054a420815a7409"
 [[package]]
 name = "beefy-gadget"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/grandpa-bridge-gadget#846e0ef3b929d8922ddadaaea8e664754fada39a"
+source = "git+https://github.com/paritytech/grandpa-bridge-gadget#ad64f84dc7e2929eee0b821dc41d9a1ef93ab10b"
 dependencies = [
  "beefy-primitives",
  "futures 0.3.14",
@@ -470,6 +470,7 @@ dependencies = [
  "sc-network-gossip",
  "sp-api",
  "sp-application-crypto",
+ "sp-arithmetic",
  "sp-blockchain",
  "sp-consensus",
  "sp-core",
@@ -483,7 +484,7 @@ dependencies = [
 [[package]]
 name = "beefy-gadget-rpc"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/grandpa-bridge-gadget#846e0ef3b929d8922ddadaaea8e664754fada39a"
+source = "git+https://github.com/paritytech/grandpa-bridge-gadget#ad64f84dc7e2929eee0b821dc41d9a1ef93ab10b"
 dependencies = [
  "beefy-gadget",
  "beefy-primitives",
@@ -504,7 +505,7 @@ dependencies = [
 [[package]]
 name = "beefy-primitives"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/grandpa-bridge-gadget#846e0ef3b929d8922ddadaaea8e664754fada39a"
+source = "git+https://github.com/paritytech/grandpa-bridge-gadget#ad64f84dc7e2929eee0b821dc41d9a1ef93ab10b"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -4527,7 +4528,7 @@ dependencies = [
 [[package]]
 name = "pallet-beefy"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/grandpa-bridge-gadget#846e0ef3b929d8922ddadaaea8e664754fada39a"
+source = "git+https://github.com/paritytech/grandpa-bridge-gadget#ad64f84dc7e2929eee0b821dc41d9a1ef93ab10b"
 dependencies = [
  "beefy-primitives",
  "frame-support",
@@ -10622,7 +10623,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "04f8ab788026715fa63b31960869617cba39117e520eb415b0139543e325ab59"
 dependencies = [
  "cfg-if 0.1.10",
- "rand 0.7.3",
+ "rand 0.3.23",
  "static_assertions",
 ]