Update gtk3 lib for newer Ubuntu (>20.04)

.github/workflows/Recovery Build.yml

@@ -72,7 +72,7 @@ jobs:
       run: |
         sudo apt update
         sudo apt -y upgrade
-        sudo apt -y install gperf gcc-multilib gcc-10-multilib g++-multilib g++-10-multilib libc6-dev lib32ncurses5-dev x11proto-core-dev libx11-dev tree lib32z-dev libgl1-mesa-dev libxml2-utils xsltproc bc ccache lib32readline-dev lib32z1-dev liblz4-tool libncurses5-dev libsdl1.2-dev libwxgtk3.0-dev libxml2 lzop pngcrush schedtool squashfs-tools imagemagick libbz2-dev lzma ncftp qemu-user-static libstdc++-10-dev python
+        sudo apt -y install gperf gcc-multilib gcc-10-multilib g++-multilib g++-10-multilib libc6-dev lib32ncurses5-dev x11proto-core-dev libx11-dev tree lib32z-dev libgl1-mesa-dev libxml2-utils xsltproc bc ccache lib32readline-dev lib32z1-dev liblz4-tool libncurses5-dev libsdl1.2-dev libwxgtk3.0-gtk3-dev libxml2 lzop pngcrush schedtool squashfs-tools imagemagick libbz2-dev lzma ncftp qemu-user-static libstdc++-10-dev python
 
     - name: Install OpenJDK
       uses: actions/setup-java@v3