Specify to use resolver 2 for the workspace

Specify to use `resolver=2` for the workspace to remove the warning
displayed by `Cargo` that it defaults to 1 even when the members are
setting it to 2.

Cargo.toml

@@ -1,33 +1,34 @@
 [workspace]
 members = [
-	"client",
-	"core",
-	"derive",
-	"server",
-
-	"examples/basic_auth",
-	"examples/hello_world",
-	"examples/pubsub",
+  "client",
+  "core",
+  "derive",
+  "server",
+  "examples/basic_auth",
+  "examples/hello_world",
+  "examples/pubsub",
 ]
 
+resolver = "2"
+
 [workspace.package]
-version = "0.1.0"
 authors = ["Janosch Gräf <[email protected]>", "The Nimiq Core Development Team <[email protected]>"]
-edition = "2021"
-homepage = "https://nimiq.com"
-repository = "https://github.com/nimiq/jsonrpc"
-license = "Apache-2.0"
 categories = [
-	"asynchronous",
-	"network-programming",
-	"web-programming::http-client",
-	"web-programming::http-server",
-	"web-programming::websocket"
+  "asynchronous",
+  "network-programming",
+  "web-programming::http-client",
+  "web-programming::http-server",
+  "web-programming::websocket",
 ]
+edition = "2021"
+homepage = "https://nimiq.com"
 keywords = ["json", "jsonrpc", "json-rpc", "nimiq", "rpc"]
+license = "Apache-2.0"
+repository = "https://github.com/nimiq/jsonrpc"
+version = "0.1.0"
 
 [workspace.dependencies]
-nimiq-jsonrpc-client = { path = "client" }
-nimiq-jsonrpc-core = { path = "core" }
-nimiq-jsonrpc-derive = { path = "derive" }
-nimiq-jsonrpc-server = { path = "server" }
+nimiq-jsonrpc-client = {path = "client"}
+nimiq-jsonrpc-core = {path = "core"}
+nimiq-jsonrpc-derive = {path = "derive"}
+nimiq-jsonrpc-server = {path = "server"}