Use gh-pages to save performance benchmarks results (#1469)

Author: NathanielRN

Diff for: .github/workflows/test.yml

@@ -84,7 +84,7 @@ jobs:
           fail-on-alert: true
           # Make a commit on `gh-pages` with benchmarks from previous step
           auto-push: ${{ github.ref == 'refs/heads/master' }}
-          gh-pages-branch: master
+          gh-pages-branch: gh-pages
           benchmark-data-dir-path: benchmarks
   misc:
     strategy:

Diff for: CONTRIBUTING.md

@@ -68,7 +68,7 @@ for more detail on available tox commands.
 
 ### Benchmarks
 
-Performance progression of benchmarks for packages distributed by OpenTelemetry Python can be viewed as a [graph of throughput vs commit history](https://opentelemetry-python.readthedocs.io/en/latest/benchmarks/index.html). From this page, you can download a JSON file with the performance results.
+Performance progression of benchmarks for packages distributed by OpenTelemetry Python can be viewed as a [graph of throughput vs commit history](https://opentelemetry-python.readthedocs.io/en/latest/performance/benchmarks.html). From the linked page, you can download a JSON file with the performance results.
 
 Running the `tox` tests also runs the performance tests if any are available. Benchmarking tests are done with `pytest-benchmark` and they output a table with results to the console.
 

Diff for: docs/index.rst

@@ -91,6 +91,14 @@ install <https://pip.pypa.io/en/stable/reference/pip_install/#editable-installs>
 
     instrumentation/**
 
+.. toctree::
+    :maxdepth: 1
+    :caption: OpenTelemetry Python Performance
+    :name: performance-tests
+    :glob:
+
+    performance/**
+
 .. toctree::
     :maxdepth: 1
     :caption: Examples

Diff for: docs/performance/benchmarks.rst

@@ -0,0 +1,4 @@
+Performance Tests - Benchmarks
+==============================
+
+Click `here <https://open-telemetry.github.io/opentelemetry-python/benchmarks/index.html>`_ to view the latest performance benchmarks for packages in this repo.