vaapi: bump the minimum vaapi version requirement to 0.39.0

configure.ac

gst-libs/gst/vaapi/Makefile.am

gst-libs/gst/vaapi/gstvaapibufferproxy.c

gst-libs/gst/vaapi/gstvaapibufferproxy_priv.h

gst-libs/gst/vaapi/gstvaapicodec_objects.c

gst-libs/gst/vaapi/gstvaapicompat.h

gst-libs/gst/vaapi/gstvaapicontext.c

gst-libs/gst/vaapi/gstvaapidisplay.c

gst-libs/gst/vaapi/gstvaapiencoder_objects.c

gst-libs/gst/vaapi/gstvaapifilter.c

gst-libs/gst/vaapi/gstvaapiprofile.c

gst-libs/gst/vaapi/gstvaapisurface.c

gst-libs/gst/vaapi/gstvaapiutils.c

gst-libs/gst/vaapi/gstvaapiutils_core.c

gst-libs/gst/vaapi/meson.build

gst/vaapi/Makefile.am

gst/vaapi/gstvaapi.c

gst/vaapi/gstvaapidecode.c

gst/vaapi/gstvaapidecodebin.c

gst/vaapi/gstvaapipluginbase.c