Upgrade the svt-av1 dependencies and fix podspec

Author: dreampiggy

libheif.podspec

@@ -77,7 +77,7 @@ HEIF is a new image file format employing HEVC (h.265) image coding for the best
     ss.preserve_path = 'libheif'
     ss.xcconfig = {
       'GCC_PREPROCESSOR_DEFINITIONS' => '$(inherited) HAVE_AOM_DECODER=1 HAVE_AOM_ENCODER=1',
-      'HEADER_SEARCH_PATHS' => '$(inherited) ${PODS_ROOT}/libheif/ ${PODS_TARGET_SRCROOT}/'
+      'HEADER_SEARCH_PATHS' => '$(inherited) ${PODS_ROOT}/libheif/ ${PODS_TARGET_SRCROOT}/ ${PODS_ROOT}/libaom/aom/' # Fix #include <aom.h>
     }
   end
 
@@ -90,7 +90,7 @@ HEIF is a new image file format employing HEVC (h.265) image coding for the best
     ss.preserve_path = 'libheif'
     ss.xcconfig = {
       'GCC_PREPROCESSOR_DEFINITIONS' => '$(inherited) HAVE_DAV1D=1',
-      'HEADER_SEARCH_PATHS' => '$(inherited) ${PODS_ROOT}/libheif/ ${PODS_TARGET_SRCROOT}/'
+      'HEADER_SEARCH_PATHS' => '$(inherited) ${PODS_ROOT}/libheif/ ${PODS_TARGET_SRCROOT}/ ${PODS_ROOT}/libdav1d/dav1d/include' # Fix #include <dav1d/version.h>
     }
   end
 
@@ -106,13 +106,13 @@ HEIF is a new image file format employing HEVC (h.265) image coding for the best
     ss.preserve_path = 'libheif'
     ss.xcconfig = {
       'GCC_PREPROCESSOR_DEFINITIONS' => '$(inherited) HAVE_RAV1E=1',
-      'HEADER_SEARCH_PATHS' => '$(inherited) ${PODS_ROOT}/libheif/ ${PODS_TARGET_SRCROOT}/'
+      'HEADER_SEARCH_PATHS' => '$(inherited) ${PODS_ROOT}/libheif/ ${PODS_TARGET_SRCROOT}/ ${PODS_ROOT}/librav1e/' # Fix #include <rav1e.h>
     }
   end
 
   # svt-av1, for AVIF
   s.subspec 'svt-av1' do |ss|
-    ss.dependency 'svt-av1', '>= 0.8.7'
+    ss.dependency 'svt-av1', '>= 0.9.0'
     ss.dependency 'libheif/libheif'
     ss.source_files = 'libheif/plugins/heif_encoder_svt.{h,c,cc}'
     ss.private_header_files = 'libheif/plugins/heif_encoder_svt.h'