Updated giflib on macOS to 5.2.2

Author: radarhere

.github/workflows/wheels-dependencies.sh

@@ -24,7 +24,7 @@ XZ_VERSION=5.4.5
 TIFF_VERSION=4.6.0
 LCMS2_VERSION=2.16
 if [[ -n "$IS_MACOS" ]]; then
-    GIFLIB_VERSION=5.1.4
+    GIFLIB_VERSION=5.2.2
 else
     GIFLIB_VERSION=5.2.1
 fi