[wpe] Update to WPE WebKit 2.50.4

While this is a major release, the only change worth mentioning from
the point of view of Android integration is that the library name is
no longer versioned, which is reflected in the bootstrap script.

Author: aperezdc

tools/scripts/bootstrap.py

@@ -81,7 +81,7 @@
 
 class Bootstrap:
     default_arch = "arm64"
-    default_version = "2.50.0"
+    default_version = "2.50.4"
 
     _cerbero_origin = "https://github.com/Igalia/wpe-android-cerbero.git"
     _cerbero_branch = "main"

wpeview/src/main/cpp/CMakeLists.txt

@@ -77,7 +77,7 @@ set_target_properties(soup-3.0 PROPERTIES IMPORTED_LOCATION
 add_library(WPEWebKit-2.0 SHARED IMPORTED)
 set_target_properties(
     WPEWebKit-2.0
-    PROPERTIES IMPORTED_LOCATION "${CMAKE_SOURCE_DIR}/imported/lib/${ANDROID_ABI}/libWPEWebKit-2.0_1.so"
+    PROPERTIES IMPORTED_LOCATION "${CMAKE_SOURCE_DIR}/imported/lib/${ANDROID_ABI}/libWPEWebKit-2.0.so"
                INTERFACE_INCLUDE_DIRECTORIES
                "${CMAKE_SOURCE_DIR}/imported/include/wpe-webkit;${CMAKE_SOURCE_DIR}/imported/include/libsoup-3.0")