Update benchmarks.yml

Author: emdneto

.github/workflows/benchmarks.yml

@@ -20,6 +20,10 @@ jobs:
       uses: actions/checkout@v4
     - name: Install tox
       run: pip install tox-uv
+    - name: Install Git # since Git isn't available in the container image used above
+      run: |
+        apt-get update
+        apt-get install -y git
     - name: Run tox
       run: tox -e benchmark-opentelemetry-sdk -- -k opentelemetry-sdk/benchmarks --benchmark-json=opentelemetry-sdk/output.json
     - name: Report on SDK benchmark results