Upgrade target framework to .NET 9.0 and SDK version to 9.0.100

[onetarun]

Upgrade Target Framework to .NET 9.0 and SDK Version to 9.0.100

Changes

• Upgraded the target framework of all relevant projects to .NET 9.0.
• Updated the SDK version to 9.0.100 in global.json (if applicable) and project files.
• Ensured compatibility with the latest .NET 9.0 runtime and libraries.

Why this change?

• To leverage the performance improvements, new language features, and enhanced security of .NET 9.0.
• To keep the project up to date with the latest .NET ecosystem.

Testing & Compatibility

• Verified that the solution builds successfully with .NET 9.0.
• Checked for breaking changes and updated dependencies as needed.
• Ensured existing functionality remains intact after the upgrade.

Next Steps

• Review and update dependencies that may require .NET 9.0 compatibility.
• Run additional integration tests to confirm stability.

[hishamco]

There's already WIP PR #1120

[onetarun]

Closing this PR in favor of #1120 , which is already in progress. Thanks, everyone!

[hishamco]

@rwxzig if you are still interested please update your PR, otherwise, we will reopen this

[rwxzig]

@hishamco I don't have much time, so anyone can take it.

[onetarun]

Please check this pull request again.

[hishamco]

@onetarun you can take advantage of the related PR, again I need to fix the build so it should not break anyone else PR

[hishamco]

Why it's closed?