Release preparation for v0.17.0 (#434)

* lib: Export `GenericError` to avoid linking to private items

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Bump version to v0.17.0

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* doc: Add crates to bump

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Update changelog

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* changelog: Add new line between title and list

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* releasing: Remove extra closing bracket

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* releasing: Fix cargo install typo for cargo-hack

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* Remove subxt version from macro and test-runtime

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* releasing: Change PR link to sort in descending order

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

* changelog: Add missing PR

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

macro/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "subxt-macro"
-version = "0.16.0"
+version = "0.17.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
 autotests = false
@@ -27,10 +27,10 @@ quote = "1.0.8"
 syn = "1.0.58"
 scale-info = "1.0.0"
 
-subxt-codegen = { path = "../codegen", version = "0.16.0" }
+subxt-codegen = { path = "../codegen", version = "0.17.0" }
 
 [dev-dependencies]
 pretty_assertions = "1.0.0"
-subxt = { path = "../subxt", version = "0.16.0" }
+subxt = { path = "../subxt" }
 trybuild = "1.0.38"
 sp-keyring = "5.0.0"