bump Hadoop-BAM to 8.0.0-SNAPSHOT, to include htsjdk 2.20.3

Author: heuermh

pom.xml

@@ -25,7 +25,7 @@
     <parquet.version>1.10.1</parquet.version>
     <!-- Edit the following line to configure the Hadoop (HDFS) version. -->
     <hadoop.version>2.7.5</hadoop.version>
-    <hadoop-bam.version>7.9.2</hadoop-bam.version>
+    <hadoop-bam.version>8.0.0-SNAPSHOT</hadoop-bam.version>
     <slf4j.version>1.7.25</slf4j.version>
     <bdg-formats.version>0.13.0</bdg-formats.version>
     <bdg-utils.version>0.2.15</bdg-utils.version>