[BugFix] Fix iOS 3rd party SDK compliance for SDWebImage

Summary of change:
Update SDWebImage and SDWebImageWebPCoder to use flexible version
constraints (~> 5.19 and ~> 0.14 respectively) instead of pinned
versions (5.15.5 and 0.11.0).

Author: flymoonai

explorer/darwin/ios/lynx_explorer/Podfile

@@ -50,8 +50,8 @@ target 'LynxExplorer' do
 
   pod 'PrimJS', :subspecs => ['quickjs', 'napi']
 
-  pod 'SDWebImage','5.15.5'
-  pod 'SDWebImageWebPCoder', '0.11.0'
+  pod 'SDWebImage', '~> 5.19'
+  pod 'SDWebImageWebPCoder', '~> 0.14'
 
   pod 'DebugRouter', '5.0.13'
 end

platform/darwin/ios/lynx_service/BUILD.gn

@@ -68,11 +68,11 @@ subspec_target("Image") {
   dependency = lynx_dependency
   dependency += [ [
         "SDWebImage",
-        "5.15.5",
+        "~> 5.19",
       ] ]
   dependency += [ [
         "SDWebImageWebPCoder",
-        "0.11.0",
+        "~> 0.14",
       ] ]
   dependency += [ [
         "LynxServiceAPI",