Remove more instances of README.rst

Author: pquentin

.github/Dockerfile

@@ -4,7 +4,7 @@ FROM python:${PYTHON_VERSION}
 WORKDIR /code/elasticsearch-serverless-python
 RUN mkdir -p /code/elasticsearch-serverless-python/build
 
-COPY pyproject.toml README.rst .
+COPY pyproject.toml README.md .
 RUN python -m pip install \
     -U --no-cache-dir \
     --disable-pip-version-check \

.github/workflows/tests.yml

@@ -34,10 +34,8 @@ jobs:
 
       - name: "Check packages"
         run: |
-          python -m pip install -U pip setuptools wheel build twine rstcheck
+          python -m pip install -U pip setuptools wheel build twine
           python -m build
-          # Our Python example shows a REPL and is not valid Python
-          rstcheck --ignore-languages python README.rst
           python -m twine check dist/*
 
   docs: