Update meta.yaml to v0.4.0.
{% set name = "ripser" %}
-{% set version = "0.3.2" %}
-{% set sha256 = "ff9f50fba911f0e9212077b78014f83e30c97526194dd6bd1df3d81896e6cb58" %}
+{% set version = "0.4.0" %}
+{% set sha256 = "a3d7109a1f38abf2a3921fc56a79a0af9c8d7d167fecede1849c3d343ef7bf12" %}
package:
name: {{ name|lower }}
