[gimp-macos-build] Fix notarization and increase build no

[Alex Samorukov <asamorukov src gnome org>]

commit f07ca1df3b5c8974bef7fad96bdd02c51a324d8e
Author: Oleksii Samorukov <oleksii_samorukov mckinsey com>
Date:   Mon Nov 4 13:32:06 2019 +0100

    Fix notarization and increase build no

 .circleci/config.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.circleci/config.yml b/.circleci/config.yml
index ee394a8..8586e69 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -57,7 +57,7 @@ jobs:
         # we can try to make it automatically depended on the corresponding modules
         - restore_cache:
             keys:
-              - gimp-2.10.14-v8
+              - gimp-2.10.14-v9
               - webkit-v15
               - gimp-deps-v4
               - bootstrap-v14
@@ -114,7 +114,7 @@ jobs:
         - save_cache:
             paths:
               - ~/gtk
-            key: gimp-2.10.14-v8
+            key: gimp-2.10.14-v9
         - run:
             name: Importing signing certificate
             command: |