[polari] ci: Use gnome-shell's JS image for eslint job

[Florian Müllner <fmuellner src gnome org>]

commit bcc7e1dd9027aa8474254372668fc6f4fb5c9da5
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Nov 27 00:35:50 2020 +0100

    ci: Use gnome-shell's JS image for eslint job
    
    The gjs image we were using went away, so switch to an alternative
    that provides a recent eslint version.
    
    https://gitlab.gnome.org/GNOME/polari/-/merge_requests/170

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4dc55b9a..b5153f12 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -24,7 +24,7 @@ check_commit_log:
         - merge_requests
 
 eslint:
-    image: registry.gitlab.gnome.org/gnome/gjs:fedora.static-analysis
+    image: registry.gitlab.gnome.org/gnome/gnome-shell/fedora/33:2020-11-17.0
     stage: review
     script:
         - eslint -o $LINT_LOG -f junit src