[2.3.0] Checkmk Werk 17082 adapted: Fixed another instance of hanging processes

Werk 17082 was adapted. The following is the new Werk, a diff is shown at the end of the message. [//]: # (werk v2) # Fixed another instance of hanging processes key | value ---------- | --- date | 2024-07-05T06:55:15+00:00 version | 2.3.0p11 class | fix edition | cre component | multisite level | 1 compatible | yes As explained in werk [#17080](https://checkmk.com/werk/17080) the wrong conditions could lead to processes not releasing crucial file locks and the site subsequently freezing. However, the werk did not address all the conditions. With this werk, the cleanup of open resources was improved, which together with werk [#17081](https://checkmk.com/werk/17081) fixes another instance of processes not releasing their locks. ------------------------------------<diff>------------------------------------------- [//]: # (werk v2) # Fixed another instance of hanging processes key | value ---------- | --- date | 2024-07-05T06:55:15+00:00 version | 2.3.0p11 class | fix edition | cre component | multisite level | 1 compatible | yes As explained in werk [#17080](https://checkmk.com/werk/17080) the wrong conditions could lead to processes not releasing crucial file locks and the site subsequently freezing. However, the werk did not address all the conditions. With this werk, the cleanup of open resources was improved, which together with werk [#17081](https://checkmk.com/werk/17081) fixes another instance of processes not releasing their locks. +