dependabot: bump com.github.wnameless.json:json-flattener from 0.16.5…

… to 0.16.6 (opensearch-project#3369)

Bumps
[com.github.wnameless.json:json-flattener](https://github.com/wnameless/json-flattener)
from 0.16.5 to 0.16.6.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/wnameless/json-flattener/blob/master/release-notes">com.github.wnameless.json:json-flattener's
changelog</a>.</em></p>
<blockquote>
<p>Version 0.1.0</p>
<ul>
<li>First release</li>
</ul>
<p>Version 0.1.1</p>
<ul>
<li>Fix minimal-json parsing double value(ex:6.0) error</li>
</ul>
<p>Version 0.1.2</p>
<ul>
<li>Fix the bug of empty array or empty object disappearing after
flattening</li>
</ul>
<p>Version 0.1.3</p>
<ul>
<li>Fix the bug of objects unflattening in reversed indexed array(ex:
{&quot;List[1].type&quot;:&quot;B&quot;,&quot;List[0].type&quot;:&quot;A&quot;})</li>
</ul>
<p>Version 0.1.4</p>
<ul>
<li>Fix the bug of reversed indexed arrays unflattening(ex:
{&quot;[1][1]&quot;:&quot;B&quot;,&quot;[0][0]&quot;:&quot;A&quot;})</li>
<li>Fix the bug of init complex key unflattening(ex:
{&quot;[&quot;b.b&quot;].aaa&quot;:123})</li>
</ul>
<p>Version 0.1.5</p>
<ul>
<li>Escape JSON special characters in flattened JSON keys, values and
Java Map keys but not in Java Map values</li>
</ul>
<p>Version 0.1.6</p>
<ul>
<li>For ease of use, Unicode characters aren't escaped anymore</li>
</ul>
<p>Version 0.2.0</p>
<ul>
<li>Add FlattenMode</li>
<li>Add StringEscapePolicy</li>
<li>Add separator config</li>
<li>Add PrintMode</li>
</ul>
<p>Version 0.2.1</p>
<ul>
<li>Remove internal cache</li>
</ul>
<ul>
<li>Add missing hashCode, equals and toString to JsonUnflattener</li>
</ul>
<ul>
<li>Fix the stack overflow bug in KEEP_ARRAYS mode when null value
occurs</li>
</ul>
<p>Version 0.2.2</p>
<ul>
<li>Fix the stack overflow bug in KEEP_ARRAYS mode when empty object
occurs</li>
</ul>
<p>Version 0.2.3</p>
<ul>
<li>Fix internal JsonFlattener state inheritance bug during
instantiation</li>
</ul>
<p>Version 0.2.4</p>
<ul>
<li>Fix the bug of wrong output if ROOT value shows in source
object</li>
</ul>
<p>Version 0.3.0</p>
<ul>
<li>Support Reader as inputs</li>
<li>Add #withLeftAndRightBrackets</li>
</ul>
<p>Version 0.4.0</p>
<ul>
<li>Add FlattenMode.MONGODB</li>
<li>Add #withKeyTransformer</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/wnameless/json-flattener/commit/5cb34f52ca3a4fdbaf067ee53412d55c6f1ea1dd"><code>5cb34f5</code></a>
[maven-release-plugin] prepare release json-flattener-0.16.6</li>
<li><a
href="https://github.com/wnameless/json-flattener/commit/1b0c1c3b9ed8e725c31dfe26bbecc48e26fa34af"><code>1b0c1c3</code></a>
Upgrade release-notes</li>
<li><a
href="https://github.com/wnameless/json-flattener/commit/a42ddaf693b215c6f036057155b77133cc1c50f9"><code>a42ddaf</code></a>
Upgrade json-base for precise scale of the float number</li>
<li><a
href="https://github.com/wnameless/json-flattener/commit/e8f5f710c85abc257907789468dc9aae91343807"><code>e8f5f71</code></a>
[maven-release-plugin] prepare for next development iteration</li>
<li>See full diff in <a
href="https://github.com/wnameless/json-flattener/compare/json-flattener-0.16.5...json-flattener-0.16.6">compare
view</a></li>
</ul>
</details>
<br />


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build.gradle

@@ -499,7 +499,7 @@ dependencies {
         exclude group: "com.google.code.gson", module: "gson"
         exclude group: "org.json", module: "json"
     }
-    implementation 'com.github.wnameless.json:json-flattener:0.16.5'
+    implementation 'com.github.wnameless.json:json-flattener:0.16.6'
     // JSON patch
     implementation 'com.flipkart.zjsonpatch:zjsonpatch:0.4.14'
     implementation 'org.apache.commons:commons-collections4:4.4'