gnu: keepassxc: Update to 2.6.6.

* gnu/packages/password-utils.scm (keepassxc): Update to 2.6.6.

gnu/packages/password-utils.scm

@@ -126,7 +126,7 @@ human.")
 (define-public keepassxc
   (package
     (name "keepassxc")
-    (version "2.6.4")
+    (version "2.6.6")
     (source
      (origin
        (method url-fetch)
@@ -134,7 +134,7 @@ human.")
                            "/releases/download/" version "/keepassxc-"
                            version "-src.tar.xz"))
        (sha256
-        (base32 "0azq20rqsx7axrigha4qh81ipvhqnnlb27w3xdjg5z4h3jky4dp5"))))
+        (base32 "1qm4a1k11vy35mrzbzcc7lwlpmjzw18a2zy7z93rqa4vqcdb20rn"))))
     (build-system cmake-build-system)
     (arguments
      `(#:modules ((guix build cmake-build-system)