docs: sort the language pages in alphabetical order

Author: DmitriyLewen

mkdocs.yml

@@ -99,13 +99,13 @@ nav:
               - Elixir: guide/coverage/language/elixir.md
               - Go: guide/coverage/language/golang.md
               - Java: guide/coverage/language/java.md
+              - Julia: guide/coverage/language/julia.md
               - Node.js: guide/coverage/language/nodejs.md
               - PHP: guide/coverage/language/php.md
               - Python: guide/coverage/language/python.md
               - Ruby: guide/coverage/language/ruby.md
               - Rust: guide/coverage/language/rust.md
               - Swift: guide/coverage/language/swift.md
-              - Julia: guide/coverage/language/julia.md
           - IaC:
               - Overview: guide/coverage/iac/index.md
               - Azure ARM Template: guide/coverage/iac/azure-arm.md