docs(changelog): 2026.10.3.1 release notes (round-5 CI fixes, transie… #309

Job	Run time
canaries / canaries (list)	13m 51s
canaries / canary ${{ matrix.name }} (${{ matrix.os }})	1s
build (macOS / ARM64)	1s
build (linux / aarch64, cross)	1s
build + upload (linux / x86_64)	1s
build (Windows / x86_64)	1s
validate + seal release manifest	1s
publish-ecosystem	1s
	13m 58s

Navigation Menu