gnu: qttools: Rename to qttools-5.

Automated with:

  git grep -l qttools | xargs sed 's/\bqttools\b/\0-5/g' -i
  git checkout NEWS

gnu/packages/password-utils.scm

@@ -165,7 +165,7 @@ human.")
             (lambda* (#:key inputs #:allow-other-keys)
               (wrap-qt-program "keepassxc" #:output #$output #:inputs inputs))))))
     (native-inputs
-     (list qttools ruby-asciidoctor))
+     (list qttools-5 ruby-asciidoctor))
     (inputs
      (list argon2
            botan
@@ -697,7 +697,7 @@ key URIs using the standard otpauth:// scheme.")
              (setenv "QT_QPA_PLATFORM" "offscreen")
              #t)))))
     (native-inputs
-     (list qttools))
+     (list qttools-5))
     (inputs
      (list qtbase-5 qtsvg-5))
     (home-page "https://qtpass.org")