upgraded several libraries

ivy.xml

@@ -11,11 +11,11 @@
         <exclude module="junit"/>
       </dependency>
       <dependency org="com.cybozu.labs" name="langdetect" rev="1.1-20120112" conf="compile->master"/>
-      <dependency org="com.drewnoakes" name="metadata-extractor" rev="2.11.0"  />
-      <dependency org="com.fasterxml.jackson.core" name="jackson-databind" rev="2.13.4"/>
-      <dependency org="com.google.guava" name="guava" rev="25.1-jre" conf="compile->master"/>
-      <dependency org="com.ibm.icu" name="icu4j" rev="63.1"/>
-      <dependency org="com.jcraft" name="jsch" rev="0.1.54" />
+      <dependency org="com.drewnoakes" name="metadata-extractor" rev="2.18.0"  />
+      <dependency org="com.fasterxml.jackson.core" name="jackson-databind" rev="2.13.5"/>
+      <dependency org="com.google.guava" name="guava" rev="28.0-jre" conf="compile->master"/>
+      <dependency org="com.ibm.icu" name="icu4j" rev="73.2"/>
+      <dependency org="com.jcraft" name="jsch" rev="0.1.55" />
       <dependency org="com.twelvemonkeys.imageio" name="imageio-core" rev="3.9.4"/>
       <dependency org="com.twelvemonkeys.imageio" name="imageio-bmp" rev="3.9.4" />
       <dependency org="com.twelvemonkeys.imageio" name="imageio-tiff" rev="3.9.4"/>
@@ -54,7 +54,7 @@
       <dependency org="org.apache.lucene" name="lucene-queryparser" rev="8.9.0" conf="compile->master"/>
       <dependency org="org.apache.lucene" name="lucene-spatial-extras" rev="8.9.0" conf="compile->master"/>
       <dependency org="org.apache.lucene" name="lucene-suggest" rev="8.9.0"/>
-      <dependency org="org.apache.pdfbox" name="pdfbox" rev="2.0.27"  />
+      <dependency org="org.apache.pdfbox" name="pdfbox" rev="2.0.29"  />
       <dependency org="org.apache.poi" name="poi" rev="3.17"  />
       <dependency org="org.apache.poi" name="poi-scratchpad" rev="3.17"  />
       <dependency org="org.apache.solr" name="solr-core" rev="8.9.0" conf="compile->master"/>