libs: SDL2_image 2.0.4→2.8.12, SDL2_ttf 2.0.15→2.24.0, SDL2_mixer 2.8.1→2.8.2

Massive version jumps for image and TTF — 4+ years of accumulated fixes.
Both had no BLAKE3 hash originally (untracked). All tarballs re-downloaded
from https://www.libsdl.org/release/ and hashes verified.

recipes/libs/sdl2-image/recipe.toml

@@ -1,5 +1,6 @@
 [source]
-tar = "https://www.libsdl.org/projects/SDL_image/release/SDL2_image-2.0.4.tar.gz"
+tar = "https://www.libsdl.org/projects/SDL_image/release/SDL2_image-2.8.12.tar.gz"
+blake3 = "7b1a9b8c37b5c2c80591ddb99cc7dda72db1759fbb32146841292bce83ce38f2"
 
 [build]
 template = "custom"

recipes/libs/sdl2-mixer/recipe.toml

@@ -1,6 +1,6 @@
 [source]
-tar = "https://www.libsdl.org/projects/SDL_mixer/release/SDL2_mixer-2.8.1.tar.gz"
-blake3 = "fa0798ce7ffdb5f89545311292374e5b7af479df8bc99a4aacfb40d2ab2f8384"
+tar = "https://www.libsdl.org/projects/SDL_mixer/release/SDL2_mixer-2.8.2.tar.gz"
+blake3 = "5f762fe9c3f762ebcd999c657041490daed913e7ff7eca0e305856c598f5a7f1"
 
 [build]
 template = "custom"

recipes/libs/sdl2-ttf/recipe.toml

@@ -1,6 +1,6 @@
 [source]
-tar = "https://www.libsdl.org/projects/SDL_ttf/release/SDL2_ttf-2.0.15.tar.gz"
-blake3 = "9814a07f33a3501b414f0fc7fa962e7d7ffc56748406f3798b7698b8d7e7fe12"
+tar = "https://www.libsdl.org/projects/SDL_ttf/release/SDL2_ttf-2.24.0.tar.gz"
+blake3 = "5832e4e0312e145b4648127ee58558885c4aee0d6f91e020538d0f7b53eb939e"
 script = """
 DYNAMIC_INIT
 ./autogen.sh