chore: remove unused AWS references from Docker publish workflow (#230)

Author: WiktorStarczewski

.github/workflows/publish-docker.yml

@@ -16,10 +16,8 @@ env:
   registry: ghcr.io
 
 permissions:
-  id-token: write
   contents: write
   packages: write
-  attestations: write
 
 jobs:
   publish:
@@ -43,13 +41,6 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Configure AWS credentials
-        uses: aws-actions/configure-aws-credentials@v4
-        with:
-          aws-region: ${{ secrets.AWS_REGION }}
-          role-to-assume: ${{ secrets.AWS_ROLE }}
-          role-session-name: GithubActionsSession
-
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
         with:
@@ -71,6 +62,3 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           file: ./Dockerfile
           tags: ${{ env.registry }}/0xmiden/miden-faucet:${{ env.version }}
-          cache-from: type=s3,region=${{ secrets.AWS_REGION }},bucket=${{ secrets.AWS_CACHE_BUCKET }},name=miden-faucet
-          cache-to: type=s3,region=${{ secrets.AWS_REGION }},bucket=${{ secrets.AWS_CACHE_BUCKET }},name=miden-faucet,mode=max
-