fix: bash: --command: invalid option (#51)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: KSXGitHub <11488886+KSXGitHub@users.noreply.github.com>

Author: Copilot

entrypoint.sh

@@ -17,4 +17,4 @@ chown -vR builder:builder /home/builder
 chmod -vR 600 /home/builder/.ssh/*
 echo '::endgroup::'
 
-exec runuser -u builder -- bash -l -c /build.sh
+exec runuser -u builder -- bash -l /build.sh