chore(workflows): remove Docker Hub credentials from build workflows for enhanced security

Author: tosettil-polimi

.github/workflows/build-dev-latest.yml

@@ -28,6 +28,3 @@ jobs:
       docker_repository: "ethpandaops/assertoor"
       docker_tag_prefix: "master"
       additional_tags: "['master','master-latest','latest']"
-    secrets:
-      DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
-      DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}

.github/workflows/build-dev.yml

@@ -77,6 +77,3 @@ jobs:
       docker_repository: "ethpandaops/assertoor"
       docker_tag_prefix: ${{needs.prinfo.outputs.docker_tag}}
       additional_tags: "['${{needs.prinfo.outputs.docker_tag}}','${{needs.prinfo.outputs.docker_tag}}-latest']"
-    secrets:
-      DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
-      DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}

.github/workflows/build-master.yml

@@ -29,9 +29,6 @@ jobs:
       docker_repository: "ethpandaops/assertoor"
       docker_tag_prefix: "master"
       additional_tags: "['master','master-latest']"
-    secrets:
-      DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
-      DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
 
   update_project_wiki:
     name: Generate project documentation

.github/workflows/build-release.yml

@@ -21,9 +21,6 @@ jobs:
       docker_repository: "ethpandaops/assertoor"
       docker_tag_prefix: "v${{ inputs.version }}"
       additional_tags: "['v${{ inputs.version }}','latest']"
-    secrets:
-      DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
-      DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
 
   create_release:
     name: Create Release