Add changelog entry for CodeQL CLI version 2.23.6

[coadaflorin]

This pull request adds the changelog for CodeQL CLI version 2.23.6, documenting updates, improvements, and fixes across multiple languages and components. The changelog covers new queries, analysis improvements, bug fixes, breaking changes, and metadata updates for security queries.

[Copilot]

Pull request overview

This PR adds the changelog entry for CodeQL CLI version 2.23.6, documenting various updates across multiple languages and components. The release includes 2 new security queries, bringing the total to 485 queries in the Default suite.

Key Changes

• Removal of LGTM results format as a breaking change in the CLI
• Promotion of C# cookie security queries from experimental to main query pack
• Swift language support upgraded to version 6.2.1

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
docs/codeql/codeql-overview/codeql-changelog/index.rst	Adds reference to the new 2.23.6 changelog file in the table of contents
docs/codeql/codeql-overview/codeql-changelog/codeql-cli-2.23.6.rst	New changelog file documenting version 2.23.6 with security coverage updates, CLI breaking changes, query improvements, library updates, and new features across C/C++, C#, Golang, Java/Kotlin, JavaScript/TypeScript, Python, Ruby, Rust, and Swift

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[obaid655]

winget install GitHub.Copilo

[obaid655]

val wifiManager = context.getSystemService(
Context.WIFI_SERVICE) as WifiManager

val suggestion = WifiNetworkSuggestion.Builder()
.setSsid("MyNetwork")
.setWpa2Passphrase("secure123")
.build()

wifiManager.addNetworkSuggestions(listOf(suggestion))