fixup some token stuff

Author: MattSturgeon

.github/workflows/new-plugin.yml

@@ -16,8 +16,6 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
-        with:
-          ssh-key: ${{ secrets.CI_UPDATE_SSH_KEY }}
 
       - name: Install Nix
         uses: cachix/install-nix-action@v26
@@ -61,8 +59,7 @@ jobs:
           # The Matrix home server to send the message to
           # Default: matrix.org
           server: matrix.org
-          # TODO: token
-          token: ...
+          token: ${{ secrets.CI_MATRIX_TOKEN }}
           room: "!oOLohuKTgwSAvIxmdO:matrix.org"
           # The message to send (optional)
           message: Hello world