Make numpy 1.26.4 the default

Author: msimacek

graalpython/lib-graalpython/patches/numpy/metadata.toml

@@ -8,8 +8,6 @@ ignore-rule-on-llvm = true
 version = '== 1.23.5'
 patch = 'numpy-1.23.5.patch'
 dist-type = 'sdist'
-# Keep this version as default for now
-install-priority = 2
 
 [[rules]]
 # 1.23.2 is currently used by oldest-supported-numpy