scripts: build_gst: Add depenencies for Python bindinds

Author: joaoantoniocardoso

scripts/build_gst.sh

@@ -113,6 +113,7 @@ fi
 GST_BUILD_TOOLS_DEFAULT=(
     apt-transport-https
     bison
+    build-dep
     ca-certificates
     cmake
     curl
@@ -123,7 +124,9 @@ GST_BUILD_TOOLS_DEFAULT=(
     make
     ninja-build
     pkg-config
+    pygobject
     python-gi-dev
+    python3-gst-1.0
 )
 GST_BUILD_TOOLS=${GST_BUILD_TOOLS:-${GST_BUILD_TOOLS_DEFAULT[@]}}