ocaml-react: Switch to GitHub mirror

Signed-off-by: Euan Harris <euan.harris@citrix.com>
ocaml-cmdliner: Switch to GitHub mirror

Signed-off-by: Euan Harris <euan.harris@citrix.com>
ocaml-uuidm: Switch to GitHub mirror

Signed-off-by: Euan Harris <euan.harris@citrix.com>
ocaml-react: Switch to GitHub mirror

Signed-off-by: Euan Harris <euan.harris@citrix.com>
xmlm: Switch to GitHub mirror

Signed-off-by: Euan Harris <euan.harris@citrix.com>
rpm/configure: Create repository metadata in SRPMS directory

We now generate repository metadata after building SRPMs - this
change silences a warning about missing metadata printed because
the metadata does not exist and can't be updated after the first
SRPM is built.

Signed-off-by: Euan Harris <euan.harris@citrix.com>