fix: do not inline process.env during bun run and bun test (#7614)

* env stuff

* ok

* undo

* remove unused param

* resolve review comment

* dupe

* it compiles now i promise

src/env_loader.zig

@@ -224,7 +224,7 @@ pub const Loader = struct {
         behavior: Api.DotEnvBehavior,
         prefix: string,
         allocator: std.mem.Allocator,
-    ) ![]u8 {
+    ) !void {
         var iter = this.map.iter();
         var key_count: usize = 0;
         var string_map_hashes = try allocator.alloc(u64, framework_defaults.keys.len);
@@ -367,8 +367,6 @@ pub const Loader = struct {
                 _ = try to_json.getOrPutValue(key, value);
             }
         }
-
-        return key_buf;
     }
 
     pub fn init(map: *Map, allocator: std.mem.Allocator) Loader {