Bump to v4.5.0 with In-Proc Host Version 4.44.100

[Copilot]

Issue describing the changes in this PR

Version bump to prepare for v4.5.0 release with updated In-Proc Host versions.

Pull request checklist

• My changes do not require documentation changes
• My changes do not need to be backported to a previous version
• My changes should not be added to the release notes for the next release
  • Otherwise: I've added my notes to release_notes.md
• I have added all required tests (Unit tests, E2E tests)

Additional information

Version updates:

• Core Tools: 4.4.0 → 4.5.0
• In-Proc Host: 4.41.100 (4.841.100, 4.641.100) → 4.44.100 (4.844.100, 4.644.100)

Files modified:

• src/Cli/func/Directory.Version.props - Updated VersionPrefix
• release_notes.md - Updated version header and host versions

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• azfunc.pkgs.visualstudio.com
  • Triggering command: dotnet restore (dns block)
• st8vsblobprodcus339.vsblob.vsassets.io
  • Triggering command: dotnet restore (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

Prepare for release: Bump to v4.5.0 with In-Proc Host Version 4.44.100(4.644.100, 4.844.100)

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