Release 1.3.9.0

Signed-off-by: Lukáš Vlček <lukas.vlcek@aiven.io>

README.md

@@ -40,10 +40,11 @@ This plugin was started as a fork of [Prometheus exporter for Elasticsearch®](h
 
 | OpenSearch |  Plugin | Release date |
 |-----------:|--------:|-------------:|
+|      1.3.9 | 1.3.9.0 | Mar 20, 2023 |
 |      1.3.8 | 1.3.8.0 | Mar 03, 2023 |
 |      1.3.7 | 1.3.7.0 | Dec 19, 2022 |
 |      1.3.6 | 1.3.6.0 | Oct 10, 2022 |
-|      1.3.5 | 1.3.5.0 | Sep  5, 2022 |
+|      1.3.5 | 1.3.5.0 | Sep 05, 2022 |
 |      1.3.4 | 1.3.4.0 | Jul 15, 2022 |
 |      1.3.3 | 1.3.3.0 | Jun 15, 2022 |
 |      1.3.2 | 1.3.2.0 | May 10, 2022 |
@@ -60,7 +61,7 @@ You need to install the plugin on every OpenSearch node that will be scraped by
 
 To **install** the plugin:
 
-`./bin/opensearch-plugin install https://github.com/aiven/prometheus-exporter-plugin-for-opensearch/releases/download/1.3.8.0/prometheus-exporter-1.3.8.0.zip`
+`./bin/opensearch-plugin install https://github.com/aiven/prometheus-exporter-plugin-for-opensearch/releases/download/1.3.9.0/prometheus-exporter-1.3.9.0.zip`
 
 To **remove** the plugin.