[Backport stable/8.0] Update paths to vault secrets in CI

[npepinpe]

Description

Backports #439 and #448 to stable/8.0. I assume the old secrets will be deleted before we get rid of this branch, since we still need to support it for 8 months.

Definition of Done

Not all items need to be done depending on the issue and the pull request.

Code changes:

• The changes are backwards compatibility with previous versions
• If it fixes a bug then PRs are created to backport the fix

Testing:

• There are unit/integration tests that verify all acceptance criterias of the issue
• New tests are written to ensure backwards compatibility with further versions
• The behavior is tested manually

Documentation:

• Javadoc has been written
• The documentation is updated

[remcowesterhoud]

Thanks Nicolas 👍

[github-actions]

Unit Test Results

   152 files     152 suites   6m 30s ⏱️
   268 tests    268 ✔️ 0 💤 0 ❌
1 028 runs  1 028 ✔️ 0 💤 0 ❌

Results for commit 9e9d407.