fix action of file change detection

[emmaai]

fixed

• missing checkout action
• missing dependency on set_tags in push_public action

[codecov[bot]]

Codecov Report

Base: 64.75% // Head: 64.75% // No change to project coverage :thumbsup:

Coverage data is based on head (b272f32) compared to base (facde08). Patch has no changes to coverable lines.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #72 +/- ## ======================================== Coverage 64.75% 64.75% ======================================== Files 22 22 Lines 2071 2071 ======================================== Hits 1341 1341 Misses 730 730 ``` Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=opendatacube). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=opendatacube)

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