gnu: ffmpeg: Update to 6.1.1 (fixes CVE-2023-47342, CVE-2023-47344).

* gnu/packages/video.scm (ffmpeg): Update to 6.1.1.
Fixes CVE-2023-47342 and CVE-2023-47344 (see:
https://ffmpeg.org/security.html)

Change-Id: I5196a62fc56341809ed597389b431dae32bd50da

gnu/packages/video.scm

@@ -1657,14 +1657,14 @@ (define-public libva-utils
 (define-public ffmpeg
   (package
     (name "ffmpeg")
-    (version "6.0")
+    (version "6.1.1")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://ffmpeg.org/releases/ffmpeg-"
                                   version ".tar.xz"))
               (sha256
                (base32
-                "10kh2f4y4isfqj4xpcqqnzk611jh89ywcjyjnq9c2jcv5p18ggjp"))))
+                "0s7r2qv8gh2a3w568n9xxgcz0q8j5ww1jdsci1hm9f4l1yqg9146"))))
     (outputs '("out" "debug"))
     (build-system gnu-build-system)
     (inputs