Incorrect behaviour with trailing slashes with links

[SgtCoDFish]

I believe there's a bug in the handling of trailing slashes, e.g. on https://cert-manager.io/docs/usage/gateway/#supported-annotations, there's a link:

[the annotations for Ingress resources](https://cert-manager.io/docs/usage/ingress#supported-annotations/)

The target link is incorrect; the trailing slash is appended after the #supported-annotations fragment but should be placed before it.

This is indicated by the following test, which fails currently (also attached, apply with git apply newtest.txt)

diff --git a/test/remark-plugins/links.test.js b/test/remark-plugins/links.test.js
index 79f90c0..5bb82f6 100644
--- a/test/remark-plugins/links.test.js
+++ b/test/remark-plugins/links.test.js
@@ -128,7 +128,14 @@ const cases = [
     prefix: 'v1.8-docs',
     slug: ['installation', 'helm'],
     expected: '/v1.8-docs/installation/compatibility'
-  }
+  },
+	{
+		url: 'ingress.md#supported-annotation',
+		prefix: 'docs',
+		slug: ['usage', 'gateway'],
+		options: { trailingSlash: true },
+		expected: '/docs/usage/ingress/#supported-annotation',
+	}
 ]
 
 test.each(cases)(

(attached: newtest.txt)