Bump poetry version to 1.3.2. (#1327)

Part of matrix-org/synapse#14857

docker/synapse.Dockerfile

@@ -24,7 +24,7 @@ RUN curl -sSf https://sh.rustup.rs | sh -s -- -y --no-modify-path --default-tool
 # pip version provided by Debian Buster. See
 # https://github.com/pypa/setuptools/issues/3457#issuecomment-1190125849
 RUN ${PYTHON_VERSION} -m pip install -q --upgrade pip
-RUN ${PYTHON_VERSION} -m pip install -q --no-cache-dir poetry==1.2.2
+RUN ${PYTHON_VERSION} -m pip install -q --no-cache-dir poetry==1.3.2
 
 # As part of the Docker build, we attempt to pre-install Synapse's dependencies
 # in the hope that it speeds up the real install of Synapse. To make this work,
@@ -77,7 +77,7 @@ RUN /venv/bin/pip install -q --no-cache-dir \
 # value.
 # See https://github.com/matrix-org/synapse/issues/12419
 # TODO: Once poetry 1.2.0 has been released, use the `installer.max-workers`
-#       config option instead.
+#       or `installer.parallel` config option instead.
 # poetry has a bug where this environment variable is not converted to a
 # boolean, so we choose a falsy string value for it. It's fixed in 1.2.0,
 # where we'll be wanting to use `installer.max-workers` anyway.