fix Reactive Streams RST (#793)

Author: Chris Cho

source/includes/mongodb-compatibility-table-java-rs.rst

@@ -26,8 +26,10 @@
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    * - 4.3
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@@ -38,8 +40,9 @@
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    * - 4.2
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@@ -49,8 +52,9 @@
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    * - 4.1
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@@ -60,9 +64,10 @@
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    * - 4.0
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