Matthias 1e869b86f2 Update checkout aciton to v2 ...

https://github.com/actions/checkout/issues/23 suggests that it's fixed in v2.

2020-02-26 06:54:04 +01:00

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ci.yml

Update checkout aciton to v2

2020-02-26 06:54:04 +01:00

docker_update_readme.yml

update checkout action to pinned version

2019-11-14 06:51:02 +01:00