fixes dotnet update + version bump 10.2.4 (#274)

Cargo.lock

@@ -2055,7 +2055,7 @@ dependencies = [
 
 [[package]]
 name = "topgrade"
-version = "10.2.3"
+version = "10.2.4"
 dependencies = [
  "cfg-if",
  "chrono",

Cargo.toml

@@ -6,7 +6,7 @@ keywords = ["upgrade", "update"]
 license = "GPL-3.0"
 # license-file = "LICENSE"
 repository = "https://github.com/topgrade-rs/topgrade"
-version = "10.2.3"
+version = "10.2.4"
 authors = ["Roey Darwish Dror <roey.ghost@gmail.com>", "Thomas Schönauer <t.schoenauer@hgs-wt.at>"]
 exclude = ["doc/screenshot.gif"]
 edition = "2021"

src/steps/generic.rs

@@ -488,7 +488,7 @@ pub fn run_composer_update(ctx: &ExecutionContext) -> Result<()> {
 pub fn run_dotnet_upgrade(ctx: &ExecutionContext) -> Result<()> {
     let dotnet = utils::require("dotnet")?;
 
-    let dotnet_help_output = ctx.run_type().execute(&dotnet).arg("-h").output().err().unwrap();
+    let dotnet_help_output = ctx.run_type().execute(&dotnet).arg("-h").output_checked_utf8().unwrap();
 
     if dotnet_help_output.to_string().contains("tool") {
         let output = Command::new(dotnet)