Bump runner-job-image Dagger CLI from 0.19.11 to 0.20.0

The Dagger module was upgraded to v0.20.0 in d15071a but the runner job
image still had the old CLI, causing build-blumeops to fail with a
version mismatch.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

containers/runner-job-image/Dockerfile

@@ -9,7 +9,7 @@
 # Usage: Configure runner with label like:
 #   docker:docker://registry.ops.eblu.me/blumeops/runner-job-image:latest
 
-ARG CONTAINER_APP_VERSION=0.19.11
+ARG CONTAINER_APP_VERSION=0.20.0
 
 FROM debian:bookworm-slim
 

docs/changelog.d/+runner-job-image-dagger-0.20.bugfix.md

@@ -0,0 +1 @@
+Fix runner-job-image Dagger version mismatch: bump from 0.19.11 to 0.20.0 to match upgraded Dagger module.

service-versions.yaml

@@ -231,7 +231,7 @@ services:
   - name: runner-job-image
     type: argocd
     last-reviewed: 2026-02-23
-    current-version: "0.19.11"
+    current-version: "0.20.0"
     upstream-source: https://github.com/dagger/dagger/releases
     notes: >-
       Forgejo Actions job execution image. CONTAINER_APP_VERSION tracks the