Add dev build action

[jmaas-onoffice]

After an approving review, automatically build the reviewed code and comments on the PR with a link.

[coveralls]

Pull Request Test Coverage Report for Build 1979882527

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 78.76%

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Totals
Change from base Build 1962442938:	0.0%
Covered Lines:	6048
Relevant Lines:	7679

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💛 - Coveralls

[jayay]

Let's give it a shot and hope for version 71c0566

[github-actions]

Install the approved version:

1. Download onoffice-v2.22.2-3-g71c0566b-please-unpack.zip from https://github.com/jmaas-onoffice/oo-wp-plugin/actions/runs/1979806668.
2. Unpack the downloaded file to get another .zip file.
3. Upload that inner .zip file to WordPress.

[jayay]

@jmaas-onoffice Did you see https://github.com/actions/checkout#checkout-pull-request-head-commit-instead-of-merge-commit?

[github-actions]

Install the approved version:

1. Download onoffice-v2.22.2-4-g8ca84e60-please-unpack.zip from https://github.com/onOfficeGmbH/oo-wp-plugin/actions/runs/1979866716.
2. Unpack the downloaded file to get another .zip file.
3. Upload that inner .zip file to WordPress.

[jmaas-onoffice]

@jmaas-onoffice Did you see https://github.com/actions/checkout#checkout-pull-request-head-commit-instead-of-merge-commit?

Nice! Fixed. 👍

[github-actions]

Install the approved version:

1. Download onoffice-v2.22.2-5-g81800250-please-unpack.zip from https://github.com/onOfficeGmbH/oo-wp-plugin/actions/runs/1979901255.
2. Unpack the downloaded file to get another .zip file.
3. Upload that inner .zip file to WordPress.