fix: Use Chocolatey to install protoc on Windows

The arduino/setup-protoc action has an issue with Expand-Archive on
Windows runners. Use Chocolatey instead to install protoc on Windows.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>
Signed-off-by: Joe Isaacs <[email protected]>

Author: joseph-isaacs

.github/actions/setup-rust/action.yml

@@ -50,13 +50,16 @@ runs:
       shell: bash
       run: echo "PATH=$PATH" >> $GITHUB_ENV
 
-    - name: Add PowerShell to PATH (Windows)
-      if: runner.os == 'Windows'
-      shell: bash
-      run: echo "C:\Windows\System32\WindowsPowerShell\v1.0" >> $GITHUB_PATH
-
     - name: Install Protoc (for lance-encoding build step)
+      if: runner.os != 'Windows'
       uses: arduino/setup-protoc@v3
       with:
         version: "29.3"
         repo-token: ${{ inputs.repo-token }}
+
+    - name: Install Protoc on Windows
+      if: runner.os == 'Windows'
+      shell: bash
+      run: |
+        choco install protoc --version=29.3 -y
+        echo "C:\ProgramData\chocolatey\lib\protoc\tools\bin" >> $GITHUB_PATH