build: use cibuilds/snapcraft:core18

Author: VerteDinde

.circleci/config.yml

@@ -118,15 +118,15 @@ jobs:
         type: enum
         enum: [ 'x64', 'arm64','armv7l' ]
     docker:
-      - image: ubuntudesktop/gnome-3-38-2004
+      - image: cibuilds/snapcraft:core20
     steps:
       - run: sudo apt-get -y update
       - run: sudo apt-get install -y git curl dpkg fakeroot rpm lsb-release
       - install
       - run: echo $PATH
-      - run: |
-          export PATH="/snap/bin:$PATH"
-          export SNAP="/snap/snapcraft/current"
+      # - run: |
+      #     export PATH="/snap/bin:$PATH"
+      #     export SNAP="/snap/snapcraft/current"
       - run: DEBUG=electron-installer-snap:* npx yarn run publish --arch=<< parameters.arch >> --dry-run
       # CircleCI doesn't let you persist files with the same name from multiple
       # jobs, so only persist the .webpack path from the x64 linux-build job