Update URL to use new NumFocus URL

ViralBShah · web-flow · commit 849869525b6d · 2019-06-28T09:03:59.000-04:00
diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
@@ -1 +1 @@
-custom: https://numfocus.salsalabs.org/donate-to-julia/index.html
+custom: https://numfocus.org/donate-to-julia

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-custom: https://numfocus.salsalabs.org/donate-to-julia/index.html`
	`1`	`+custom: https://numfocus.org/donate-to-julia`