gnu: sway: Update to 1.9.

* gnu/packages/wm.scm (sway): Update to 1.9.
[arguments]<#:phases>: Don't hardcode path to scdoc.
[inputs]: Replace wlroots-0.16 with wlroots.

Change-Id: I2108e57180a91dc2873d5398dc5f6981002e1c3d

gnu/packages/wm.scm

@@ -1762,7 +1762,7 @@ modules for building a Wayland compositor.")
 (define-public sway
   (package
     (name "sway")
-    (version "1.8.1")
+    (version "1.9")
     (source
      (origin
        (method git-fetch)
@@ -1771,7 +1771,7 @@ modules for building a Wayland compositor.")
              (commit version)))
        (file-name (git-file-name name version))
        (sha256
-        (base32 "1y7brfrsjnm9gksijgnr6zxqiqvn06mdiwsk5j87ggmxazxd66av"))))
+        (base32 "1n36vgpi4bg2gkiq4fam4khly1z9bjinmjclzq5vfx0z8h7a5bzz"))))
     (build-system meson-build-system)
     (arguments
      `(;; elogind is propagated by wlroots -> libseat
@@ -1786,11 +1786,6 @@ modules for building a Wayland compositor.")
                (("strdup..swaybg..")
                 (string-append "strdup(\"" (assoc-ref inputs "swaybg")
                                "/bin/swaybg\")")))
-             ;; Hardcode path to scdoc.
-             (substitute* "meson.build"
-               (("scdoc.get_pkgconfig_variable..scdoc..")
-                (string-append "'" (assoc-ref inputs "scdoc")
-                               "/bin/scdoc'")))
              #t)))))
     (inputs (list basu
                   cairo
@@ -1803,7 +1798,7 @@ modules for building a Wayland compositor.")
                   pcre2
                   swaybg
                   wayland
-                  wlroots-0.16))
+                  wlroots))
     (native-inputs
      (cons* linux-pam mesa pkg-config scdoc wayland-protocols
             (if (%current-target-system)