fix(gs/emacs): Always refresh gcal access token

the oauth2 emacs lib *claims* it does this for us, but it demonstrably
doesn't.

Change-Id: I6495ac30799bb3d3fd7406cec5139602c311d22a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1977
Reviewed-by: glittershark <grfn@gws.fyi>
Tested-by: BuildkiteCI

users/glittershark/emacs.d/org-gcal.el

@@ -25,6 +25,7 @@
 (cl-defun google--request (url &key method params scope)
   (let ((p (aio-promise))
         (auth-token (google--get-token scope gcal-client-id gcal-client-secret)))
+    (oauth2-refresh-access auth-token)
     (oauth2-url-retrieve
      auth-token
      url