terminal: ignore SOH/STX, bash sends this for some reason

src/terminal/ansi.zig

@@ -5,6 +5,10 @@
 pub const C0 = enum(u7) {
     /// Null
     NUL = 0x00,
+    /// Start of heading
+    SOH = 0x01,
+    /// Start of text
+    STX = 0x02,
     /// Enquiry
     ENQ = 0x05,
     /// Bell

src/terminal/stream.zig

@@ -76,7 +76,8 @@ pub fn Stream(comptime Handler: type) type {
             defer tracy.end();
 
             switch (@as(ansi.C0, @enumFromInt(c))) {
-                .NUL => {},
+                // We ignore SOH/STX: https://github.com/microsoft/terminal/issues/10786
+                .NUL, .SOH, .STX => {},
 
                 .ENQ => if (@hasDecl(T, "enquiry"))
                     try self.handler.enquiry()