Revert "Fix GifDecoder hash - use full commit hash for git fetch compatibility"

This reverts commit 58e8a75.

Author: karan-vk

platformio.ini

@@ -264,7 +264,7 @@ lib_deps_compat =
 ;; Common libs for all ESP32 variants - AsyncTCP is defined per-platform due to IDF version differences
 lib_deps =
   bitbank2/AnimatedGIF@^1.4.7
-  https://github.com/Aircoookie/GifDecoder#bc3af189b6b1e06946569f6b4287f0b79a860f8e
+  https://github.com/Aircoookie/GifDecoder#bc3af18
 build_flags =
   -D CONFIG_ASYNC_TCP_USE_WDT=0
   -D CONFIG_ASYNC_TCP_STACK_SIZE=8192
@@ -306,7 +306,7 @@ build_flags = -g
 lib_deps =
   esp32async/AsyncTCP @ 3.4.7  ;; IDF5 compatible AsyncTCP
   bitbank2/AnimatedGIF@^1.4.7
-  https://github.com/Aircoookie/GifDecoder#bc3af189b6b1e06946569f6b4287f0b79a860f8e
+  https://github.com/Aircoookie/GifDecoder#bc3af18
   https://github.com/netmindz/esp_dmx/#esp-idf-v5-fixes
   https://github.com/softhack007/FastLED.git#ESP32-C6 ;; patched version needed for IDF5
   makuna/NeoPixelBus @ 2.8.3