Temporarily add jsr305 automodule to module-info

Need to remove before next release; tracked in #2028
diff --git a/src/main/java9/module-info.java b/src/main/java9/module-info.java
index c993842..2c3a3f6 100644
--- a/src/main/java9/module-info.java
+++ b/src/main/java9/module-info.java
@@ -7,4 +7,5 @@
     exports org.jsoup.select;
 
     requires transitive java.xml; // for org.w3c.dom out of W3CDom
+    requires static jsr305; // TODO[must] migrate to another nullable package prior to next release
 }