v2025.06

What's Changed

• major update: Revamped /bx-docker to /containers for the newest IAR Platform by @felipe-iar in #37
• arm-linux: refactor base image by @felipe-iar in #38
• upgrade: CXARM 9.70.1 by @felipe-iar in #39
• add: RISC-V 3.40.1 by @felipe-iar in #40

Full Changelog: v2025.04...v2025.06