[common/net] fix linking errors due to C++11 ABI typedef mishandle (#4260)

Signed-off-by: lizzie <lizzie@eden-emu.dev>

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md)
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.

-------------------

basically bunch of linking errors due to gcc not liking
to compile HFA/whatever typedef stuffs
this is on non-x86_64 arch, ppc64

compiler where this occurs

```
gcc (Debian 14.2.0-19) 14.2.0
Copyright (C) 2024 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
```

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4260
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: Maufeat <sahyno1996@gmail.com>

src/common/net/net.h

@@ -11,14 +11,14 @@
 
 namespace Common::Net {
 
-typedef struct {
+struct Asset {
     std::string name;
     std::string url;
     std::string path;
     std::string filename;
-} Asset;
+};
 
-typedef struct Release {
+struct Release {
     std::string title;
     std::string body;
     std::string tag;
@@ -39,7 +39,7 @@ typedef struct Release {
     static std::optional<Release> FromJson(const std::string_view& json, const std::string &host, const std::string& repo);
     static std::vector<Release> ListFromJson(const nlohmann::json &json, const std::string &host, const std::string &repo);
     static std::vector<Release> ListFromJson(const std::string_view &json, const std::string &host, const std::string &repo);
-} Release;
+};
 
 // Make a request via httplib, and return the response body if applicable.
 std::optional<std::string> MakeRequest(const std::string &url, const std::string &path);