chore(deps): update actions/setup-python action to v5 (open-telemetry#2110)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/checks.yml

@@ -26,7 +26,7 @@ jobs:
     - name: check out code
       uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2
 
-    - uses: actions/setup-python@e9aba2c848f5ebd159c070c61ea2c4e2b122355e # v2
+    - uses: actions/setup-python@8d9ed9ac5c53483de85588cdf95a591a75ab9f55 # v5.5.0
 
     - name: install yamllint
       run: make install-yamllint