Merge pull request #5345 from JabRef/dependabot/gradle/org.apache.pdfbox-fontbox-2.0.17

Author: dependabot-preview[bot]

build.gradle

@@ -118,7 +118,7 @@ dependencies {
     compile fileTree(dir: 'lib', includes: ['*.jar'])
 
     compile 'org.apache.pdfbox:pdfbox:2.0.16'
-    compile 'org.apache.pdfbox:fontbox:2.0.16'
+    compile 'org.apache.pdfbox:fontbox:2.0.17'
     compile 'org.apache.pdfbox:xmpbox:2.0.16'
 
     compile group: 'org.apache.tika', name: 'tika-core', version: '1.22'