fix: Exclude bench-vortex from Windows tests

bench-vortex has dependencies that are problematic on Windows (protoc).
Exclude it from the test run and simplify protoc installation back to
the standard approach.

🤖 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

@@ -51,15 +51,7 @@ runs:
       run: echo "PATH=$PATH" >> $GITHUB_ENV
 
     - 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

.github/workflows/ci.yml

@@ -440,7 +440,7 @@ jobs:
         with:
           tool: nextest
       - name: Rust Tests
-        run: cargo nextest run --locked --workspace --all-features --no-fail-fast
+        run: cargo nextest run --locked --workspace --all-features --no-fail-fast --exclude bench-vortex
 
   build-java:
     name: "Java"