-get-gcp-jwt: sot -> jot, moar vertical

Since we only have one JWT (the thing we produce is an "access token",
not a JWT), we can just call it jot.

pkg/arvo/ted/get-gcp-jwt.hoon

@@ -31,21 +31,22 @@
 ;<  =key:rsa      bind:m  read-private-key
 ;<  kid=@t        bind:m  (read-setting %private-key-id)
 ;<  aud=@t        bind:m  (read-setting %token-uri)
-=/  sot=@t
+=/  jot=@t
   %:  make-jwt
     key  kid  iss
     'https://www.googleapis.com/auth/cloud-platform'
     aud  now.bowl
   ==
 ;<  p=[access-token=@t expires-at=@da]  bind:m
-  (get-access-token sot aud now.bowl)
+  (get-access-token jot aud now.bowl)
 (pure:m !>(p))
 ::
 ++  read-setting
   |=  key=term
   =/  m  (strand @t)  ^-  form:m
   ;<  has=?  bind:m
-    (scry:strandio ? /gx/settings-store/has-entry/gcp-store/[key]/noun)
+    %+  scry:strandio  ?
+    /gx/settings-store/has-entry/gcp-store/[key]/noun
   ?.  has
     (strand-fail:strandio %no-setting key ~)
   ;<  =data:settings  bind:m