chore: Adding pip-compile-multi et al. (#10499)

* chore: Adding pip-compile-multi et al

* Specify requirements.txt path for fossa

* [ci] Fixing CI

Co-authored-by: John Bodley <john.bodley@airbnb.com>
Co-authored-by: Jesse Yang <jesse.yang@airbnb.com>

RELEASING/Dockerfile.make_docs

@@ -20,8 +20,7 @@ ARG VERSION
 RUN git clone --depth 1 --branch ${VERSION} https://github.com/apache/incubator-superset.git /superset
 WORKDIR /superset
 # install doc dependencies
-RUN pip install -r requirements.txt \
-    && pip install -r docs/requirements.txt
+RUN pip install -r requirements/documentation.txt
 # build the docs
 RUN python setup.py build_sphinx