chore: update sphinxopt for reducing CI duration

Author: mattwang44

.github/workflows/ci.yml

@@ -17,5 +17,5 @@ jobs:
       - name: Install Dependencies
         run: sudo apt-get install gettext
 
-      - name: Build
-        run: VERSION=${{ github.event.pull_request.base.ref }} make
+      - name: Validate
+        run: VERSION=${{ github.event.pull_request.base.ref }} MODE=dummy make

Makefile

@@ -23,7 +23,7 @@ VENV := ~/.venvs/python-docs-i18n/
 PYTHON := $(shell which python3)
 MODE := autobuild-dev-html
 BRANCH := $(or $(VERSION), $(shell git describe --contains --all HEAD))
-JOBS = 1
+JOBS := 4
 
 
 .PHONY: all