gnu: knot: Update to 3.3.1.

* gnu/packages/dns.scm (knot): Update to 3.3.1.

gnu/packages/dns.scm

@@ -844,7 +844,7 @@ Extensions} (DNSSEC).")
 (define-public knot
   (package
     (name "knot")
-    (version "3.2.9")
+    (version "3.3.1")
     (source
      (origin
        (method git-fetch)
@@ -853,7 +853,7 @@ Extensions} (DNSSEC).")
              (commit (string-append "v" version))))
        (file-name (git-file-name name version))
        (sha256
-        (base32 "1kxmplngnlpd6j9nbzq1c1z02ipd38ypnppy7frg5crn83phfbxm"))
+        (base32 "0l29809wcpx4q1d87539799c4mai0vvfkzkbmrba186mn47p3lsd"))
        (modules '((guix build utils)))
        (snippet
         '(begin
@@ -863,9 +863,8 @@ Extensions} (DNSSEC).")
            ;; Remove bundled libraries to ensure we always use the system's.
            (with-directory-excursion "src/contrib"
              (for-each delete-file-recursively
-                       (list "libbpf"
-                             ;; TODO: package this for DoQ (‘QUIC’) support.
-                             "libngtcp2")))))))
+                       ;; TODO: package libngtcp2 for DoQ (‘QUIC’) support.
+                       '("libngtcp2")))))))
     (build-system gnu-build-system)
     (outputs (list "out" "doc" "lib" "tools"))
     (arguments