Update ammonite to 3.0.0-M2-15-9bed9700 (#3059)

* Update ammonite to 3.0.0-M2-15-9bed9700

* Generate reference docs

---------

Co-authored-by: Piotr Chabelski <[email protected]>

Author: scala-steward

project/deps.sc

@@ -88,7 +88,7 @@ object InternalDeps {
 
 object Deps {
   object Versions {
-    def ammonite             = "3.0.0-M2-13-23a8ef64"
+    def ammonite             = "3.0.0-M2-15-9bed9700"
     def ammoniteForScala3Lts = ammonite
     // jni-utils version may need to be sync-ed when bumping the coursier version
     def coursierDefault                   = "2.1.10"

website/docs/reference/cli-options.md

@@ -1178,7 +1178,7 @@ Use Ammonite (instead of the default Scala REPL)
 
 Aliases: `--ammonite-ver`
 
-Set the Ammonite version (3.0.0-M2-13-23a8ef64 by default)
+Set the Ammonite version (3.0.0-M2-15-9bed9700 by default)
 
 ### `--ammonite-arg`