SOUTHWICK — When Town Meeting convenes at 6:15 p.m. Tuesday, May 21, at Southwick Regional School, residents will not only be asked to approve the town’s fiscal 2025 budget and the annual allocation to the regional school district, but they will also be asked to sign off on an outdoor installation at the town library, lake dredging, and a zoning bylaw related to nonconforming uses of businesses and residences.Supporters describe the zoning amend…