Deps: Update to SDL3 (#12311)

Co-authored-by: TheTechnician27 <TheTechnician27@users.noreply.github.com>

.github/workflows/scripts/linux/flatpak/modules/20-sdl3.json

@@ -1,5 +1,5 @@
 {
-  "name": "sdl2",
+  "name": "sdl3",
   "buildsystem": "cmake-ninja",
   "builddir": true,
   "config-opts": [
@@ -14,8 +14,8 @@
   "sources": [
     {
       "type": "archive",
-      "url": "https://libsdl.org/release/SDL2-2.30.12.tar.gz",
-      "sha256": "ac356ea55e8b9dd0b2d1fa27da40ef7e238267ccf9324704850d5d47375b48ea"
+      "url": "https://libsdl.org/release/SDL3-3.2.6.tar.gz",
+      "sha256": "096a0b843dd1124afda41c24bd05034af75af37e9a1b9d205cc0a70193b27e1a"
     }
   ],
   "cleanup": [

.github/workflows/scripts/linux/flatpak/net.pcsx2.PCSX2.json

@@ -26,7 +26,7 @@
   ],
   "modules": [
     "modules/10-libpcap.json",
-    "modules/20-sdl2.json",
+    "modules/20-sdl3.json",
     "modules/21-libbacktrace.json",
     "modules/22-shaderc.json",
     {