[actions] update sandpaper workflow to version 0.18.4

Author: zkamvar

.github/workflows/docker_build_deploy.yaml

@@ -127,7 +127,7 @@ jobs:
         id: build-and-deploy
         uses: carpentries/actions/build-and-deploy@main
         with:
-          reset: ${{ github.event.inputs.reset || 'false' }}
+          reset: ${{ vars.BUILD_RESET || github.event.inputs.reset || 'false' }}
           skip-manage-deps: ${{ github.event.inputs.force-skip-manage-deps == 'true' || steps.build-container-deps.outputs.renv-cache-available || steps.build-container-deps.outputs.backup-cache-used || 'false' }}
 
   update-container-version:
@@ -150,6 +150,7 @@ jobs:
         uses: carpentries/actions/record-container-version@main
         with:
           CONTAINER_VER: ${{ needs.preflight.outputs.wb-vers }}
+          AUTO_MERGE: ${{ vars.AUTO_MERGE_CONTAINER_VERSION_UPDATE || 'true' }}
           token: ${{ secrets.GITHUB_TOKEN }}
           role-to-assume: ${{ secrets.AWS_GH_OIDC_ARN }}
           aws-region: ${{ secrets.AWS_GH_OIDC_REGION }}

.github/workflows/pr-close-signal.yaml

@@ -1 +1 @@
-0.18.3
+0.18.4