Fix metadata fences for ghc-9.14.1-alpha1 post

Author: Kleidukos

content/ghc-9.14.1-alpha1/index.md

@@ -1,10 +1,10 @@
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 authors: ["Ben Gamari"]
 title: "GHC 9.14.1-alpha1 is now available"
 date: 2025-08-19
 categories: ["GHC"]
 tags: ["Release"]
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 The GHC developers are very pleased to announce the availability of the
 first alpha prerelease of GHC 9.14.1. Binary distributions, source