chore(doc-ci): bump image version of plantuml-server

plantuml/plantuml-server:jetty-v1.2026.0 ➞ plantuml/plantuml-server:jetty-v1.2026.2

Author: nickkkccc

.github/workflows/dev-documentation.yml

@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-22.04
     env:
       RENDERER_NETWORK: renderer-net
-      RENDERER_IMAGE: plantuml/plantuml-server:jetty-v1.2026.0
+      RENDERER_IMAGE: plantuml/plantuml-server:jetty-v1.2026.2
       RENDERER_CONTAINER_NAME: renderer
     defaults:
       run:

.github/workflows/release-documentation.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-22.04
     env:
       RENDERER_NETWORK: renderer-net
-      RENDERER_IMAGE: plantuml/plantuml-server:jetty-v1.2026.0
+      RENDERER_IMAGE: plantuml/plantuml-server:jetty-v1.2026.2
       RENDERER_CONTAINER_NAME: renderer
     steps:
       - name: Check that the pipeline started on a tag and not on a branch