fix typos in docstrings and docs

courtesy of codespell

docs/getting-started.rst

@@ -88,7 +88,7 @@ minimal deposit
 .. code:: shell
 
  $ swh deposit upload --username name --password secret \
-                      --author "some@noone" --author "second@noone" \
+                      --author "some@nobody" --author "second@nobody" \
                       --name 'je-suis-gpl' \
                       --archive je-suis-gpl.tgz
 
@@ -97,7 +97,7 @@ with client's external identifier (``slug``)
 .. code:: shell
 
  $ swh deposit upload --username name --password secret \
-                      --author "some@noone" \
+                      --author "some@nobody" \
                       --name 'je-suis-gpl' \
                       --archive je-suis-gpl.tgz \
                       --slug je-suis-gpl
@@ -107,7 +107,7 @@ to a specific client's collection
 .. code:: shell
 
  $ swh deposit upload --username name --password secret \
-                      --author "some@noone" \
+                      --author "some@nobody" \
                       --name 'je-suis-gpl' \
                       --archive je-suis-gpl.tgz \
                       --collection 'second-collection'

swh/deposit/cli/admin.py

@@ -73,7 +73,7 @@ def user_create(ctx, username, password, firstname, lastname, email,
     If the collection does not exist, the collection is then created
     alongside.
 
-    The password is stored encrypted using django's utilies.
+    The password is stored encrypted using django's utilities.
 
     """
     # to avoid loading too early django namespaces