exfat: migrate to fuse3, set meta.hompeage explicitly

exfat supports fuse3 already
https://github.com/relan/exfat/blob/v1.4.0/configure.ac#L40

pkgs/by-name/ex/exfat/package.nix

@@ -4,7 +4,7 @@
   fetchFromGitHub,
   autoreconfHook,
   pkg-config,
-  fuse,
+  fuse3,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -14,15 +14,15 @@ stdenv.mkDerivation (finalAttrs: {
   src = fetchFromGitHub {
     owner = "relan";
     repo = "exfat";
-    rev = "v${finalAttrs.version}";
-    sha256 = "sha256-5m8fiItEOO6piR132Gxq6SHOPN1rAFTuTVE+UI0V00k=";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-5m8fiItEOO6piR132Gxq6SHOPN1rAFTuTVE+UI0V00k=";
   };
 
   nativeBuildInputs = [
     autoreconfHook
     pkg-config
   ];
-  buildInputs = [ fuse ];
+  buildInputs = [ fuse3 ];
 
   outputs = [
     "out"
@@ -31,7 +31,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   meta = {
     description = "Free exFAT file system implementation";
-    inherit (finalAttrs.src.meta) homepage;
+    homepage = "https://github.com/relan/exfat";
     license = lib.licenses.gpl2Plus;
     maintainers = with lib.maintainers; [ dywedir ];
     platforms = lib.platforms.unix;