Implement MongoDB-based storage for Pack Run approval, artifact, log, and state management

- Added MongoPackRunApprovalStore for managing approval states with MongoDB.
- Introduced MongoPackRunArtifactUploader for uploading and storing artifacts.
- Created MongoPackRunLogStore to handle logging of pack run events.
- Developed MongoPackRunStateStore for persisting and retrieving pack run states.
- Implemented unit tests for MongoDB stores to ensure correct functionality.
- Added MongoTaskRunnerTestContext for setting up MongoDB test environment.
- Enhanced PackRunStateFactory to correctly initialize state with gate reasons.

scripts/buildx/buildx-surface-run.sh

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [[ $# -lt 2 ]]; then
+  echo "Usage: $0 <docker-context> <image-tag> [additional docker buildx args...]" >&2
+  exit 64
+fi
+
+context=$1
+shift
+image_tag=$1
+shift || true
+
+builder_args=("$@")
+
+: "${STELLAOPS_BUILDX_PUBLISH_DIR:=out/buildx}"
+: "${STELLAOPS_BUILDX_DLL:=${STELLAOPS_BUILDX_PUBLISH_DIR}/StellaOps.Scanner.Sbomer.BuildXPlugin.dll}"
+: "${STELLAOPS_BUILDX_MANIFEST_DIR:=${STELLAOPS_BUILDX_PUBLISH_DIR}}"
+: "${STELLAOPS_BUILDX_CAS_ROOT:=out/cas}"
+: "${STELLAOPS_SURFACE_TENANT:=default}"
+: "${STELLAOPS_SURFACE_CACHE_ROOT:=${STELLAOPS_BUILDX_CAS_ROOT}}"
+: "${STELLAOPS_SURFACE_MANIFEST_OUTPUT:=out/surface-manifest.json}"
+: "${STELLAOPS_SBOM_PATH:=out/buildx-sbom.cdx.json}"
+: "${STELLAOPS_SBOM_FORMAT:=cyclonedx-json}"
+: "${STELLAOPS_SBOM_MEDIA_TYPE:=application/vnd.cyclonedx+json}"
+: "${STELLAOPS_SBOM_KIND:=inventory}"
+: "${STELLAOPS_SBOM_ARTIFACT_TYPE:=application/vnd.stellaops.sbom.layer+json}"
+: "${STELLAOPS_SUBJECT_MEDIA_TYPE:=application/vnd.oci.image.manifest.v1+json}"
+: "${STELLAOPS_PREDICATE_TYPE:=https://slsa.dev/provenance/v1}"
+
+mkdir -p "$STELLAOPS_BUILDX_PUBLISH_DIR" "$STELLAOPS_BUILDX_CAS_ROOT" "$(dirname "$STELLAOPS_SBOM_PATH")" "$(dirname "$STELLAOPS_SURFACE_MANIFEST_OUTPUT")"
+
+if [[ ! -s "$STELLAOPS_BUILDX_DLL" ]]; then
+  echo "Publishing BuildX plug-in to $STELLAOPS_BUILDX_PUBLISH_DIR" >&2
+  dotnet publish src/Scanner/StellaOps.Scanner.Sbomer.BuildXPlugin/StellaOps.Scanner.Sbomer.BuildXPlugin.csproj \
+    -c Release \
+    -o "$STELLAOPS_BUILDX_PUBLISH_DIR"
+fi
+
+if [[ ! -d "$STELLAOPS_BUILDX_MANIFEST_DIR" ]]; then
+  echo "Manifest directory  missing" >&2
+  exit 65
+fi
+
+if ! command -v docker >/dev/null 2>&1; then
+  echo "docker CLI is not available in this environment" >&2
+  exit 69
+fi
+
+set -x
+format={{index