Update tag in docs and files

Author: selenium-ci

charts/selenium-grid/CHANGELOG.md

@@ -1,3 +1,12 @@
+## :heavy_check_mark: selenium-grid-0.30.2
+
+- Chart is using image tag 4.20.0-20240505
+- Chart is tested on Kubernetes versions: v1.25.16, v1.26.15, v1.27.13, v1.28.9, v1.29.4, v1.30.0, 
+- Chart is tested on Helm versions: v3.10.3, v3.10.3, v3.11.3, v3.12.3, v3.13.3, v3.14.4, 
+
+### Fixed
+- [`62ea271f`](http://github.com/seleniumhq/docker-selenium/commit/62ea271f36e711365b71442fec16f89ff00509e4) - fix(chart): upload.conf is missing in volumeMounts :: Viet Nguyen Duc
+
 ## :heavy_check_mark: selenium-grid-0.30.1
 
 - Chart is using image tag 4.20.0-20240505