Bump pdfbox from 1.8.3 to 2.0.15 in /pdf-image#2

dependabot[bot] wants to merge 1 commit intomasterroytuts/java:masterfrom

dependabot/maven/pdf-image/org.apache.pdfbox-pdfbox-2.0.15roytuts/java:dependabot/maven/pdf-image/org.apache.pdfbox-pdfbox-2.0.15Copy head branch name to clipboard