Bump asciidoctor-diagram to 1.5.4
Bump asciidoctor-diagram to 1.5.4

abelsromero/asciidoctorj,asciidoctor/asciidoctorj,lefou/asciidoctorj,lefou/asciidoctorj,ysb33r/asciidoctorj,robertpanzer/asciidoctorj,asciidoctor/asciidoctorj,robertpanzer/asciidoctorj,ysb33r/asciidoctorj,robertpanzer/asciidoctorj,ysb33r/asciidoctorj,abelsromero/asciidoctorj,lefou/asciidoctorj,abelsromero/asciidoctorj,lefou/asciidoctorj,ysb33r/asciidoctorj,asciidoctor/asciidoctorj