Add Run id as a parameter to the artifacts table (#2799)

Co-authored-by: Suchintan Singh <suchintansingh@gmail.com>

skyvern/forge/sdk/db/models.py

@@ -193,6 +193,7 @@ class ArtifactModel(Base):
     step_id = Column(String, index=True)
     artifact_type = Column(String)
     uri = Column(String)
+    run_id = Column(String, nullable=True, index=True)
     created_at = Column(DateTime, default=datetime.datetime.utcnow, nullable=False)
     modified_at = Column(
         DateTime,