chore: bump v0.3.6.post3 (#2259)

Makefile

@@ -1,4 +1,4 @@
-.PHONY: check-deps install-deps format
+.PHONY: check-deps install-deps format update
 
 check-deps:
 	@command -v isort >/dev/null 2>&1 || (echo "Installing isort..." && pip install isort)
@@ -10,3 +10,29 @@ install-deps:
 format: check-deps
 	@echo "Formatting modified Python files..."
 	git diff --name-only --diff-filter=M | grep '\.py$$' | xargs -I {} sh -c 'isort {} && black {}'
+
+FILES_TO_UPDATE = docker/Dockerfile.rocm \
+                 python/pyproject.toml \
+                 python/sglang/version.py \
+                 docs/developer/setup_github_runner.md \
+                 docs/start/install.md
+
+update:
+	@if [ -z "$(filter-out $@,$(MAKECMDGOALS))" ]; then \
+		echo "Version required. Usage: make update <new_version>"; \
+		exit 1; \
+	fi
+	@OLD_VERSION=$$(grep "version" python/sglang/version.py | cut -d '"' -f2); \
+	NEW_VERSION=$(filter-out $@,$(MAKECMDGOALS)); \
+	echo "Updating version from $$OLD_VERSION to $$NEW_VERSION"; \
+	for file in $(FILES_TO_UPDATE); do \
+		if [ "$(shell uname)" = "Darwin" ]; then \
+			sed -i '' -e "s/$$OLD_VERSION/$$NEW_VERSION/g" $$file; \
+		else \
+			sed -i -e "s/$$OLD_VERSION/$$NEW_VERSION/g" $$file; \
+		fi \
+	done; \
+	echo "Version update complete"
+
+%:
+	@: