build: Use explicit date version number for dev container

This removes the requirement to ensure that we land PRs that update the
Dockerfile (and the appropraite dev_cli.sh change) in a specific time
frame.

Signed-off-by: Rob Bradford <rbradford@rivosinc.com>

.github/workflows/docker-image.yaml

@@ -41,7 +41,7 @@ jobs:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           # generate Docker tags based on the following events/attributes
           tags: |
-            type=raw,value={{date 'YYYYMMDD'}}-0
+            type=raw,value=20240407-0
             type=sha
 
       - name: Build and push

scripts/dev_cli.sh

@@ -7,6 +7,8 @@
 CLI_NAME="Cloud Hypervisor"
 
 CTR_IMAGE_TAG="ghcr.io/cloud-hypervisor/cloud-hypervisor"
+
+# Needs to match explicit version in docker-image.yaml workflow
 CTR_IMAGE_VERSION="20240407-0"
 : "${CTR_IMAGE:=${CTR_IMAGE_TAG}:${CTR_IMAGE_VERSION}}"