Update jpkg metadata for Forgejo

ober

12892ce52edf0d611ad02f79bd1b70fc90fa993e

diff --git a/jpkg.sexp b/jpkg.sexp
index 9ca018f..a2f6a7f 100644
--- a/jpkg.sexp
+++ b/jpkg.sexp
@@ -1,9 +1,9 @@
 (package
-  (name "@lisp/jerboa-mail")
+  (name "@ober/jerboa-mail")
   (version "0.1.0")
   (description "IMAP/SMTP mail client for Jerboa")
   (license "MIT")
-  (source "https://git.sr.ht/~lisp/jerboa-mail")
+  (source "https://git.jerboa.sh/ober/jerboa-mail")
   (jerboa ">=0.2.0")
   (modules ((root ".")))
   (dependencies ())