stack/slapos: sort versions alphabetically

stack/slapos.cfg

@@ -151,6 +151,7 @@ annotated-types = 0.6.0:whl
 anyio = 4.3.0:whl
 apache-libcloud = 2.4.0
 argon2-cffi = 20.1.0
+arrow = 1.2.3
 asn1crypto = 1.3.0
 astor = 0.8.1
 asttokens = 2.4.1:whl
@@ -209,6 +210,7 @@ executing = 2.0.1:whl
 fastjsonschema = 2.18.1
 feedparser = 6.0.10
 Flask = 3.0.0:whl
+fqdn = 1.5.1
 frozenlist = 1.4.0:whl
 funcsigs = 1.0.2
 functools32 = 3.2.3.post2
@@ -237,6 +239,7 @@ ipykernel = 6.29.3:whl
 ipython = 8.18.1:whl
 ipython-genutils = 0.2.0
 ipywidgets = 8.1.2:whl
+isoduration = 20.11.0
 itsdangerous = 2.1.2
 jdcal = 1.4
 jedi = 0.17.2
@@ -250,7 +253,6 @@ jupyter-client = 8.6.1:whl
 jupyter-console = 6.6.3:whl
 jupyter-core = 5.7.1:whl
 jupyter-events = 0.6.3:whl
-isoduration = 20.11.0
 jupyter-lsp = 2.2.3:whl
 jupyter-server = 2.10.0:whl
 jupyter-server-terminals = 0.5.2:whl
@@ -259,8 +261,6 @@ jupyterlab-launcher = 0.13.1
 jupyterlab-pygments = 0.3.0:whl
 jupyterlab-server = 2.24.0:whl
 jupyterlab-widgets = 3.0.10:whl
-arrow = 1.2.3
-fqdn = 1.5.1
 lock-file = 2.0
 lockfile = 0.12.2:whl
 lsprotocol = 2023.0.0b1:whl