gnu: guix-build-coordinator: Use current guile and guile-fibers.

* gnu/packages/package-management.scm (guix-build-coordinator)[inputs]:
Remove guile-next; add guile-3.0-latest.
[propagated-inputs]: Remove guile-fibers-next; add guile-fibers.
[native-inputs]: Remove guile-fibers-next and guile-next; add guile-fibers
and guile-3.0-latest.
[arguments]<#:phases>{wrap-executable}: Reference changed input.
* gnu/services/guix.scm (<guix-build-coordinator-configuration>,
make-guix-build-coordinator-start-script):
Use guile-3.0-latest instead of guile-next as default.

Change-Id: I16b219db03112b62b53ffdb01a5a0872cb9d79d2

gnu/packages/package-management.scm

@@ -2211,7 +2211,7 @@ environments.")
                                           "guile-gnutls"
                                           #$@(if (target-hurd?)
                                                  '()
-                                                 '("guile-fibers-next"
+                                                 '("guile-fibers"
                                                    "guile-knots")))))
                        (wrap-program file
                          `("PATH" ":" prefix
@@ -2255,12 +2255,12 @@ environments.")
              guile-gcrypt
              guix
              guile-prometheus
-             guile-fibers-next
+             guile-fibers
              guile-knots
              guile-lib
-             guile-next))
+             guile-3.0-latest))
       (inputs
-       (list guile-next
+       (list guile-3.0-latest
              sqlite-next
              bash-minimal
              (libc-utf8-locales-for-target)
@@ -2275,7 +2275,7 @@ environments.")
              guile-sqlite3
              guix
              guile-gnutls
-             guile-fibers-next
+             guile-fibers
              guile-knots))
       (home-page "https://git.cbaines.net/guix/build-coordinator/")
       (synopsis "Tool to help build derivations")

gnu/services/guix.scm

@@ -195,7 +195,7 @@
   (listen-repl                     guix-build-coordinator-configuration-listen-repl
                                    (default #f))
   (guile                           guix-build-coordinator-configuration-guile
-                                   (default guile-next))
+                                   (default guile-3.0-latest))
   (extra-environment-variables
    guix-build-coordinator-configuration-extra-environment-variables
    (default '()))
@@ -276,7 +276,7 @@
                                                    client-communication-uri-string
                                                    (hooks '())
                                                    (parallel-hooks '())
-                                                   (guile guile-next)
+                                                   (guile guile-3.0-latest)
                                                    listen-repl
                                                    (extra-build-coordinator-arguments
                                                     '()))