chore(deps): update registry1.dso.mil/ironbank/opensource/nodejs/nodejs20 docker tag to v20.15.1

This MR contains the following updates:

Package	Type	Update	Change
registry1.dso.mil/ironbank/opensource/nodejs/nodejs20		patch	20.15.0-slim -> 20.15.1-slim
registry1.dso.mil/ironbank/opensource/nodejs/nodejs20	ironbank-base	patch	20.15.0-slim -> 20.15.1-slim
registry1.dso.mil/ironbank/opensource/nodejs/nodejs20	final	patch	20.15.0-slim -> 20.15.1-slim
registry1.dso.mil/ironbank/opensource/nodejs/nodejs20	stage	patch	20.15.0-slim -> 20.15.1-slim

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