Update CI a bit

.woodpecker/documentation.yaml

@@ -19,6 +19,8 @@ steps:
       - cat ~/.ssh/id_ed25519
       - chmod 0600 ~/.ssh/id_ed25519
       - protoc --proto_path=./proto --doc_out=. --doc_opt=markdown,README.md $(find ./proto -type f -iname "*.proto")
+      # To make sure there is always a change, even when protos are not updated
+      - echo "Generated on $(date)" >> README.md
       - eval `ssh-agent`
       - ssh-add ~/.ssh/id_ed25519
       - git config --global user.email "allanger@badhouseplants.net"
@@ -27,5 +29,5 @@ steps:
       - git -C /tmp/repo checkout generated-documentation
       - mv README.md /tmp/repo/README.md
       - git -C /tmp/repo add .
-      - git -C /tmp/repo commit -m "Update documentation"
+      - git -C /tmp/repo commit -m "Update documentation from $CI_COMMIT_SHA"
       - git -C /tmp/repo push