Update 2 NuGet dependencies

[nfbot]

Bumps nanoFramework.CoreLibrary from 2.0.0-preview.49 to 2.0.0-preview.52
Bumps nanoFramework.System.Text from 2.0.0-preview.18 to 2.0.0-preview.23

[version update]

⚠️ This is an automated update. ⚠️

[nfbot]

🛑 Native version bump required — now resolved.

Checksum changed from 0x639242D6 to 0x236E73F7. Native version was not bumped (100.2.0.0) — this has since been corrected to 100.2.0.1.

[nfbot]

⚠️ Native declaration update required!

The checksum and/or native version of nanoFramework.System.IO.Hashing have changed. The native declaration in nf-interpreter must be updated before this package can be released.

	Previously published	This build
Native version	100.2.0.0	100.2.0.1
Checksum	0x639242D6	0x236E73F7

👉 Tracking issue: nanoframework/Home#1778

The issue contains a link to the stubs artifact from this build and instructions for GitHub Copilot to perform the update.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud