Upgrade to Grafana v10.3

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[ru] DOCS_SHARED: "docs/grafana/latest/upgrade-guide/upgrade-v10.3/index.ru.md" ("/hugo/content/docs/grafana/latest/upgrade-guide/upgrade-v10.3/index.ru.md:19:1") shared directory "docs/grafana/latest/shared" not found

[ru] DOCS_SHARED: "docs/grafana/latest/upgrade-guide/upgrade-v10.3/index.ru.md" ("/hugo/content/docs/grafana/latest/upgrade-guide/upgrade-v10.3/index.ru.md:21:1") shared directory "docs/grafana/latest/shared" not found