use InstallHeader function to install the header

build.zig

@@ -59,12 +59,7 @@ pub fn build(b: *std.Build) void {
     b.installArtifact(dynamic_lib);
 
     // C Headers
-    const c_header = b.addInstallFileWithDir(
-        b.path("include/zaprus.h"),
-        .header,
-        "zaprus.h",
-    );
-
+    const c_header = b.addInstallHeaderFile(b.path("include/zaprus.h"), "zaprus.h");
     b.getInstallStep().dependOn(&c_header.step);
 
     // This creates another `std.Build.Step.Compile`, but this one builds an executable