copilot-c99 4.3

Only display out-of-date packages.

7 Reverse deps	Accepted versions
arduino-copilot	>=3.18 && <3.19
copilot	>=4.3 && <4.4
copilot-cbmc	>=2.2.1
copilot-frp-sketch	>=3.7 && <3.8
copilot-verifier	>=4.3 && <4.4
sketch-frp-copilot	>=3.18 && <3.19
zephyr-copilot	>=3.18 && <3.19