update to use sdl2 v0.31.0 (no code changes required)

lesson01/Cargo.toml

@@ -4,4 +4,4 @@ version = "0.1.0"
 authors = ["jmelesky <code@phaedrusdeinus.org>"]
 
 [dependencies]
-sdl2 = "0.30.0"
+sdl2 = "0.31.0"

lesson02/Cargo.toml

@@ -4,4 +4,4 @@ version = "0.1.0"
 authors = ["jmelesky <code@phaedrusdeinus.org>"]
 
 [dependencies]
-sdl2 = "0.30.0"
+sdl2 = "0.31.0"

lesson03/Cargo.toml

@@ -4,4 +4,4 @@ version = "0.1.0"
 authors = ["jmelesky <code@phaedrusdeinus.org>"]
 
 [dependencies]
-sdl2 = "0.30.0"
+sdl2 = "0.31.0"

lesson04/Cargo.toml

@@ -4,4 +4,4 @@ version = "0.1.0"
 authors = ["jmelesky <code@phaedrusdeinus.org>"]
 
 [dependencies]
-sdl2 = "0.30.0"
+sdl2 = "0.31.0"

lesson05/Cargo.toml

@@ -4,4 +4,4 @@ version = "0.1.0"
 authors = ["jmelesky <code@phaedrusdeinus.org>"]
 
 [dependencies]
-sdl2 = "0.30.0"
+sdl2 = "0.31.0"

lesson06/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.0"
 authors = ["jmelesky <code@phaedrusdeinus.org>"]
 
 [dependencies.sdl2]
-version = "0.30.0"
+version = "0.31.0"
 default-features = false
 features = ["image"]