darroyo 9bae7dfe29 fix(ci): use cut instead of bash substring for short SHA (POSIX sh) ...

The act runner uses /bin/sh (dash on Debian/Ubuntu), not bash.
The syntax ${GITHUB_SHA::7} is bash-specific substring expansion
and throws 'Bad substitution' under dash.

Replace with POSIX-portable equivalent:
    SHORT_SHA=$(echo "$GITHUB_SHA" | cut -c1-7)

Works in any sh-compatible shell (dash, bash, zsh, etc.).

2026-08-12 19:58:09 -04:00

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fix(ci): use cut instead of bash substring for short SHA (POSIX sh)

2026-08-12 19:58:09 -04:00