Bump version to 1.0.0-alpha.7

bdk_chain to 0.11.0
bdk_bitcoind_rpc to 0.6.0
bdk_electrum to 0.9.0
bdk_esplora to 0.9.0
bdk_file_store to 0.7.0

crates/chain/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bdk_chain"
-version = "0.10.0"
+version = "0.11.0"
 edition = "2021"
 rust-version = "1.63"
 homepage = "https://bitcoindevkit.org"
@@ -18,7 +18,6 @@ bitcoin = { version = "0.30.0", default-features = false }
 serde_crate = { package = "serde", version = "1", optional = true, features = ["derive"] }
 
 # Use hashbrown as a feature flag to have HashSet and HashMap from it.
-# note versions > 0.9.1 breaks ours 1.57.0 MSRV.
 hashbrown = { version = "0.9.1", optional = true, features = ["serde"] }
 miniscript = { version = "10.0.0", optional = true, default-features = false }