Fix ci build

Author: frodrigo

.dockerignore

@@ -1,4 +1,5 @@
 .git
+.github
 .env
 poly
 docker/addresses-*

.github/workflows/main.yml

@@ -6,6 +6,10 @@ on:
   pull_request:
     branches: [ master ]
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   tests:
     runs-on: ubuntu-latest
@@ -33,7 +37,6 @@ jobs:
     permissions:
       contents: read
       packages: write
-      attestations: write
       id-token: write
 
     steps: