feat: update editorconfig template for Rego files

mentioned in merge request gitlab-com/gl-infra/gitlab-dedicated/library/dedicated-aws-exporter!24 (merged)

mentioned in merge request gitlab-com/gl-infra/gitlab-dedicated/library/ip-allowlist-deny-blackbox!109 (merged)

mentioned in merge request asdf-gl-infra!87 (merged)

mentioned in merge request gitlab-com/gl-infra/gitlab-dedicated/library/byok-status-exporter!293 (merged)

mentioned in merge request common-ci-task-tests!187 (merged)

mentioned in merge request andreas.brandl/watertemp-exporter!31 (closed)

mentioned in merge request apps-script-scripts!12

mentioned in merge request gcp-quota-exporter!101

mentioned in merge request gitlab-com/gl-infra/platform/gitlab-issue-report-kit!65

mentioned in merge request gitlab-com/gl-infra/gitlab-dedicated/library/pg-slowlog-extractor!63 (merged)

mentioned in merge request cmbr!348 (merged)

mentioned in merge request autolabels!21 (merged)

mentioned in merge request ringctl!247 (merged)

mentioned in merge request terra-transformer!574 (merged)

mentioned in merge request gitlab-com/runbooks!8604 (merged)

mentioned in merge request gitlab-com/gl-infra/platform/runway/example-service!252 (merged)

mentioned in merge request gitlab-com/gl-infra/data-access/durability/gitlab-backup-cli!36 (merged)

mentioned in merge request gitlab-com/gl-infra/observability/tenant-observability/config-manager!188 (merged)

mentioned in merge request gitlab-com/gl-infra/terraform-modules/observability/tenant-observability-stack!245 (merged)

mentioned in merge request jsonnet-tool!210 (merged)

mentioned in merge request common-ci-tasks-images!517 (merged)

mentioned in merge request label-wrangler!68 (merged)

mentioned in merge request common-ci-tasks!944 (merged)

mentioned in merge request gitlab-com/gl-infra/gitlab-dedicated/library/terraform/resource-tagger!20 (merged)

mentioned in merge request asdf-promtool!87 (merged)

mentioned in merge request gitlab-com/content-sites/handbook-tools/hugolint!127 (merged)

mentioned in merge request slackline!235 (merged)

mentioned in merge request andreas.brandl/watertemp-exporter!35