infuxdb2: add package split to 22.05 release notes.

nixos/doc/manual/from_md/release-notes/rl-2205.section.xml

@@ -142,6 +142,16 @@
           using the PyPy interpreter were added.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          The <literal>influxdb2</literal> package was split into
+          <literal>influxdb2-server</literal> and
+          <literal>influxdb2-cli</literal>, matching the split that took
+          place upstream. A combined <literal>influxdb2</literal>
+          package is still provided in this release for backwards
+          compatibilty, but will be removed at a later date.
+        </para>
+      </listitem>
     </itemizedlist>
   </section>
 </section>

nixos/doc/manual/release-notes/rl-2205.section.md

@@ -58,3 +58,8 @@ In addition to numerous new and upgraded packages, this release has the followin
   through the Unix socket `/run/redis-${serverName}/redis.sock`.
 
 - The `writers.writePyPy2`/`writers.writePyPy3` and corresponding `writers.writePyPy2Bin`/`writers.writePyPy3Bin` convenience functions to create executable Python 2/3 scripts using the PyPy interpreter were added.
+
+- The `influxdb2` package was split into `influxdb2-server` and
+  `influxdb2-cli`, matching the split that took place upstream. A
+  combined `influxdb2` package is still provided in this release for
+  backwards compatibilty, but will be removed at a later date.