libplacebo: bump minimum dependency to 4.157

This has been the latest stable release for about half a year now. This
version in particular lets us get rid of all the deprecation warnings in
the older code. (See the following commits)

1 files changed, 1 insertions, 1 deletions

diff --git a/wscript b/wscript
index dc00e58190..58ed8e5f39 100644
--- a/wscript
+++ b/wscript
@@ -738,7 +738,7 @@ video_output_features = [
     }, {
         'name': '--libplacebo',
         'desc': 'libplacebo support',
-        'func': check_pkg_config('libplacebo >= 3.104.0'),
+        'func': check_pkg_config('libplacebo >= 4.157.0'),
     }, {
         'name': 'libplacebo-next',
         'desc': 'libplacebo v4.190+, needed for vo_gpu_next',