nbdoc -> quarto (#14156)

Switches to a more maintained solution for building ipynb -> md files
(`quarto`)

Also bumps us down to python3.8 because it's significantly faster in the
vercel build step. Uses default openssl version instead of upgrading as
well.

docs/vercel_build.sh

@@ -1,57 +1,24 @@
 #!/bin/bash
 
-version_compare() {
-    local v1=(${1//./ })
-    local v2=(${2//./ })
-    for i in {0..2}; do
-        if (( ${v1[i]} < ${v2[i]} )); then
-            return 1
-        fi
-    done
-    return 0
-}
+yum -y update
+yum install gcc bzip2-devel libffi-devel zlib-devel wget tar gzip -y
+amazon-linux-extras install python3.8 -y
 
-openssl_version=$(openssl version | awk '{print $2}')
-required_openssl_version="1.1.1"
+# install quarto
+wget -q https://github.com/quarto-dev/quarto-cli/releases/download/v1.3.450/quarto-1.3.450-linux-amd64.tar.gz
+tar -xzf quarto-1.3.450-linux-amd64.tar.gz
+export PATH=$PATH:$(pwd)/quarto-1.3.450/bin/
 
-python_version=$(python3 --version 2>&1 | awk '{print $2}')
-required_python_version="3.10"
 
-echo "OpenSSL Version"
-echo $openssl_version
-echo "Python Version"
-echo $python_version
-# If openssl version is less than 1.1.1 AND python version is less than 3.10
-if ! version_compare $openssl_version $required_openssl_version && ! version_compare $python_version $required_python_version; then
-### See: https://github.com/urllib3/urllib3/issues/2168
-# Requests lib breaks for old SSL versions,
-# which are defaults on Amazon Linux 2 (which Vercel uses for builds)
-    yum -y update
-    yum remove openssl-devel -y
-    yum install gcc bzip2-devel libffi-devel zlib-devel wget tar -y
-    yum install openssl11 -y
-    yum install openssl11-devel -y
-
-    wget https://www.python.org/ftp/python/3.11.4/Python-3.11.4.tgz
-    tar xzf Python-3.11.4.tgz
-    cd Python-3.11.4
-    ./configure
-    make altinstall
-    echo "Python Version"
-    python3.11 --version
-    cd ..
-fi
-
-python3.11 -m venv .venv
+python3.8 -m venv .venv
 source .venv/bin/activate
-python3.11 -m pip install --upgrade pip
-python3.11 -m pip install -r vercel_requirements.txt
-python3.11 scripts/model_feat_table.py
+python3.8 -m pip install --upgrade pip
+python3.8 -m pip install -r vercel_requirements.txt
+python3.8 scripts/model_feat_table.py
 mkdir docs/templates
 cp ../templates/docs/INDEX.md docs/templates/index.md
-python3.11 scripts/copy_templates.py
+python3.8 scripts/copy_templates.py
 cp ../cookbook/README.md src/pages/cookbook.mdx
 cp ../.github/CONTRIBUTING.md docs/contributing.md
-wget https://raw.githubusercontent.com/langchain-ai/langserve/main/README.md -O docs/langserve.md
-nbdoc_build --srcdir docs --pause 0
-python3.11 scripts/generate_api_reference_links.py
+wget -q https://raw.githubusercontent.com/langchain-ai/langserve/main/README.md -O docs/langserve.md
+quarto render docs/