Bump pdfbox from 2.0.21 to 2.0.22 (#7213)

Bumps pdfbox from 2.0.21 to 2.0.22.

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -100,7 +100,7 @@ dependencies {
     // Include all jar-files in the 'lib' folder as dependencies
     implementation fileTree(dir: 'lib', includes: ['*.jar'])
 
-    implementation 'org.apache.pdfbox:pdfbox:2.0.21'
+    implementation 'org.apache.pdfbox:pdfbox:2.0.22'
     implementation 'org.apache.pdfbox:fontbox:2.0.22'
     implementation 'org.apache.pdfbox:xmpbox:2.0.22'