The action actions/checkout@v4 is not allowed in PCRE2Project/pcre2 because all actions must be from a repository owned by PCRE2Project, created by GitHub, or match one of the patterns: codecov/codecov-action@*, google/oss-fuzz/*, msys2/setup-msys2@*, ossf/scorecard-action@*, uraimo/run-on-arch-action@*, vmactions/freebsd-vm@*, vmactions/omnios-vm@*, vmactions/openbsd-vm@*, vmactions/solaris-vm@*. All actions must also be pinned to a full-length commit SHA.