Bump Kino in explore notebooks (#755)

lib/livebook/notebook/explore/distributed_portals_with_elixir.livemd

@@ -200,7 +200,7 @@ install the [Kino](https://github.com/livebook-dev/kino) library:
 
 ```elixir
 Mix.install([
-  {:kino, "~> 0.4.0"}
+  {:kino, "~> 0.4.1"}
 ])
 ```
 

lib/livebook/notebook/explore/elixir_and_livebook.livemd

@@ -51,7 +51,7 @@ instance, otherwise the command below will fail.
 
 ```elixir
 Mix.install([
-  {:kino, "~> 0.4.0"}
+  {:kino, "~> 0.4.1"}
 ])
 ```
 

lib/livebook/notebook/explore/intro_to_kino.livemd

@@ -10,7 +10,7 @@ and interact with them.
 
 ```elixir
 Mix.install([
-  {:kino, "~> 0.4.0"},
+  {:kino, "~> 0.4.1"},
   {:vega_lite, "~> 0.1.2"}
 ])
 ```
@@ -74,7 +74,7 @@ widget =
   |> Vl.encode_field(:x, "x", type: :quantitative)
   |> Vl.encode_field(:y, "y", type: :quantitative)
   |> Kino.VegaLite.new()
-  |> tap(&Kino.render/1)
+  |> Kino.render()
 
 # Add a callback to run every 25ms
 Kino.VegaLite.periodically(widget, 25, 0, fn i ->
@@ -226,7 +226,7 @@ widget =
   |> Vl.encode_field(:x, "x", type: :quantitative)
   |> Vl.encode_field(:y, "y", type: :quantitative)
   |> Kino.VegaLite.new()
-  |> tap(&Kino.render/1)
+  |> Kino.render()
 
 for i <- 1..300 do
   point = %{x: i / 10, y: :math.sin(i / 10)}

lib/livebook/notebook/explore/intro_to_vega_lite.livemd

@@ -11,7 +11,7 @@ directly, but it is required to render VegaLite:
 ```elixir
 Mix.install([
   {:vega_lite, "~> 0.1.2"},
-  {:kino, "~> 0.4.0"}
+  {:kino, "~> 0.4.1"}
 ])
 ```
 

lib/livebook/notebook/explore/pong.livemd

@@ -17,7 +17,7 @@ the visualization and interactions.
 
 ```elixir
 Mix.install([
-  {:kino, "~> 0.4.0"}
+  {:kino, "~> 0.4.1"}
 ])
 ```
 

lib/livebook/notebook/explore/vm_introspection.livemd

@@ -14,7 +14,7 @@ so let's add `:vega_lite` and `:kino` for that.
 ```elixir
 Mix.install([
   {:vega_lite, "~> 0.1.2"},
-  {:kino, "~> 0.4.0"}
+  {:kino, "~> 0.4.1"}
 ])
 ```
 
@@ -165,7 +165,7 @@ widget =
     |> Vl.encode(:color, datum: [repeat: :layer], type: :nominal)
   )
   |> Kino.VegaLite.new()
-  |> tap(&Kino.render/1)
+  |> Kino.render()
 
 Kino.VegaLite.periodically(widget, 200, 1, fn i ->
   point =