Release 2.13.0.0

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

README.md

@@ -49,6 +49,7 @@ NOTE: OpenSearch plugins much match _exactly_ in major.minor.path version to the
 
 | OpenSearch |      Plugin |  Release date |
 |-----------:|------------:|--------------:|
+|     2.13.0 |    2.13.0.0 |  Apr 05, 2024 |
 |     2.12.0 |    2.12.0.0 |  Feb 27, 2024 |
 |     2.11.1 |    2.11.1.0 |  Dec 06, 2023 |
 |     2.11.0 |    2.11.0.0 |  Oct 24, 2023 |
@@ -94,7 +95,7 @@ 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/2.12.0.0/prometheus-exporter-2.12.0.0.zip`
+`./bin/opensearch-plugin install https://github.com/aiven/prometheus-exporter-plugin-for-opensearch/releases/download/2.13.0.0/prometheus-exporter-2.13.0.0.zip`
 
 To **remove** the plugin.