Bump version to v0.9-rc3

Signed-off-by: Andrew Jones <ajones@ventanamicro.com>

Author: jones-drew

Makefile

@@ -13,7 +13,7 @@
 # the Doc Template for RISC-V Extensions.
 
 DATE ?= $(shell date +%Y-%m-%d)
-VERSION ?= v0.9-rc2
+VERSION ?= v0.9-rc3
 REVMARK ?= "This document is in development. Assume everything can change. See http://riscv.org/spec-state for details."
 DOCKER_RUN := docker run --rm -v ${PWD}:/build -w /build \
 riscvintl/riscv-docs-base-container-image:latest