Bump tar from 0.4.45 to 0.4.46 in /rust in the cargo group across 1 directory (#1505)

* Bump tar in /rust in the cargo group across 1 directory

Bumps the cargo group with 1 update in the /rust directory: [tar](https://github.com/composefs/tar-rs).


Updates `tar` from 0.4.45 to 0.4.46
- [Release notes](https://github.com/composefs/tar-rs/releases)
- [Commits](composefs/tar-rs@0.4.45...0.4.46)

---
updated-dependencies:
- dependency-name: tar
  dependency-version: 0.4.46
  dependency-type: direct:production
  dependency-group: cargo
...

Signed-off-by: dependabot[bot] <support@github.com>

* Make Rust Windows cache non-blocking

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Stephen Toub <stoub@microsoft.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: 3 people

.github/workflows/rust-sdk-tests.yml

@@ -159,6 +159,9 @@ jobs:
           toolchain: "1.94.0"
 
       - uses: Swatinem/rust-cache@v2
+        # Cache is only an optimization; the Windows bundled smoke test should
+        # not fail when rust-cache's post-job save flakes after a successful build.
+        continue-on-error: ${{ runner.os == 'Windows' }}
         with:
           workspaces: "rust"
           key: bundled-cli