Merge 2.7.0 into master (#698)

* Drop support for nc 26 (#689)

* Adjust or remove code specific to NC-26

Signed-off-by: Sagar <sagargurung1001@gmail.com>

* Adjust or remove things realted to stable 26

Signed-off-by: Sagar <sagargurung1001@gmail.com>

* fix CI failure

Signed-off-by: Sagar <sagargurung1001@gmail.com>

* update changelog

Signed-off-by: Sagar <sagargurung1001@gmail.com>

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Signed-off-by: Sagar <sagargurung1001@gmail.com>

* Remove version comparision for secret encryption (#695)

* Remove version comparision for secret encryption

Signed-off-by: Sagar <sagargurung1001@gmail.com>

* stlye fix

Signed-off-by: Sagar <sagargurung1001@gmail.com>

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Signed-off-by: Sagar <sagargurung1001@gmail.com>

* [WP#56328]Fix error message when upload is restricted by file access control in `Nextcloud` (#688) (#696)

* Fix the misleading error message when upload is restricted by file access control app



* Added php unit test



* update change log



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Signed-off-by: Sagar <sagargurung1001@gmail.com>
Signed-off-by: nabim777 <nabinalemagar019@gmail.com>
Co-authored-by: Sagar Gurung <46086950+SagarGi@users.noreply.github.com>

* [WP#57654]switch encryption for oauth secret (#694)

* ci: Reduce testing matrix

Signed-off-by: Joas Schilling <coding@schilljs.com>

* CI: Run phpunit test one times more on error (#687)

* retry on the phpunit error for ci

Signed-off-by: nabim777 <nabinalemagar019@gmail.com>

* use pipeline for retry

Signed-off-by: nabim777 <nabinalemagar019@gmail.com>

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Signed-off-by: nabim777 <nabinalemagar019@gmail.com>

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Signed-off-by: Sagar <sagargurung1001@gmail.com>
Signed-off-by: nabim777 <nabinalemagar019@gmail.com>
Signed-off-by: Joas Schilling <coding@schilljs.com>
Co-authored-by: Nalem7 <61624650+nabim777@users.noreply.github.com>
Co-authored-by: Joas Schilling <coding@schilljs.com>
Co-authored-by: Artur Neumann <artur@jankaritech.com>