Update pallet licenses to Apache-2.0 (#13467)

substrate/frame/fast-unstake/Cargo.toml

@@ -3,7 +3,7 @@ name = "pallet-fast-unstake"
 version = "4.0.0-dev"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
-license = "Unlicense"
+license = "Apache-2.0"
 homepage = "https://substrate.io"
 repository = "https://github.com/paritytech/substrate/"
 description = "FRAME fast unstake pallet"

substrate/frame/scheduler/README.md

@@ -31,4 +31,4 @@ then those filter will not be used when dispatching the schedule call.
   `Vec<u8>` parameter that can be used for identification.
 * `cancel_named` - the named complement to the cancel function.
 
-License: Unlicense
+License: Apache 2.0

substrate/frame/transaction-storage/Cargo.toml

@@ -3,7 +3,7 @@ name = "pallet-transaction-storage"
 version = "4.0.0-dev"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
-license = "Unlicense"
+license = "Apache-2.0"
 homepage = "https://substrate.io"
 repository = "https://github.com/paritytech/substrate/"
 description = "Storage chain pallet"