Upgrade outdated dependencies upon and yansi

Cargo.toml

@@ -16,5 +16,5 @@ once_cell = "1.12.0"
 pretty_assertions = "1.3.0"
 serde = { version = "1.0.136", features = ["derive"] }
 serde_json = "1.0.79"
-upon = "0.5.0"
-yansi = "0.5.1"
+upon = "0.8.1"
+yansi = "1.0.1"

src/lib.rs

@@ -219,7 +219,8 @@ impl Goldie {
         let expected = ENGINE
             .compile(&contents)
             .with_context(|| self.error("failed to compile golden file template"))?
-            .render(&ctx)
+            .render(&*ENGINE, &ctx)
+            .to_string()
             .with_context(|| self.error("failed to render golden file template"))?;
 
         pretty_assertions::assert_eq!(
@@ -264,12 +265,12 @@ impl Goldie {
     }
 
     fn error(&self, msg: &str) -> String {
-        use yansi::Color;
+        use yansi::Paint;
         format!(
             "\n\n{}: {}\nrun with {} to regenerate the golden file\n\n",
-            Color::Red.paint(msg),
+            msg.red(),
             self.golden_file.display(),
-            Color::Blue.paint("GOLDIE_UPDATE=1").bold(),
+            "GOLDIE_UPDATE=1".blue().bold(),
         )
     }
 }