[projmgr] List layers: update `*.cbuild.yml` also in case of errors

[grasci-arm]

Address https://github.com/Open-CMSIS-Pack/devtools/issues/1537

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 65.51724% with 10 lines in your changes missing coverage. Please review.

Project coverage is 63.36%. Comparing base (71a7cb4) to head (149ce78).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1552 +/- ## ======================================= Coverage 63.36% 63.36% ======================================= Files 162 162 Lines 30916 30936 +20 Branches 18945 18953 +8 ======================================= + Hits 19589 19602 +13 - Misses 7543 7555 +12 + Partials 3784 3779 -5 ``` | [Flag](https://app.codecov.io/gh/Open-CMSIS-Pack/devtools/pull/1552/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Open-CMSIS-Pack) | Coverage Δ | | |---|---|---| | [projmgr-cov](https://app.codecov.io/gh/Open-CMSIS-Pack/devtools/pull/1552/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Open-CMSIS-Pack) | `80.41% <65.51%> (-0.03%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Open-CMSIS-Pack#carryforward-flags-in-the-pull-request-comment) to find out more. | [Files](https://app.codecov.io/gh/Open-CMSIS-Pack/devtools/pull/1552?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Open-CMSIS-Pack) | Coverage Δ | | |---|---|---| | [tools/projmgr/src/ProjMgr.cpp](https://app.codecov.io/gh/Open-CMSIS-Pack/devtools/pull/1552?src=pr&el=tree&filepath=tools%2Fprojmgr%2Fsrc%2FProjMgr.cpp&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Open-CMSIS-Pack#diff-dG9vbHMvcHJvam1nci9zcmMvUHJvak1nci5jcHA=) | `79.89% <100.00%> (-0.04%)` | :arrow_down: | | [tools/projmgr/test/src/ProjMgrUnitTests.cpp](https://app.codecov.io/gh/Open-CMSIS-Pack/devtools/pull/1552?src=pr&el=tree&filepath=tools%2Fprojmgr%2Ftest%2Fsrc%2FProjMgrUnitTests.cpp&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Open-CMSIS-Pack#diff-dG9vbHMvcHJvam1nci90ZXN0L3NyYy9Qcm9qTWdyVW5pdFRlc3RzLmNwcA==) | `79.64% <91.66%> (+0.04%)` | :arrow_up: | | [tools/projmgr/src/ProjMgrWorker.cpp](https://app.codecov.io/gh/Open-CMSIS-Pack/devtools/pull/1552?src=pr&el=tree&filepath=tools%2Fprojmgr%2Fsrc%2FProjMgrWorker.cpp&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Open-CMSIS-Pack#diff-dG9vbHMvcHJvam1nci9zcmMvUHJvak1ncldvcmtlci5jcHA=) | `86.47% <40.00%> (-0.21%)` | :arrow_down: | ... and [1 file with indirect coverage changes](https://app.codecov.io/gh/Open-CMSIS-Pack/devtools/pull/1552/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Open-CMSIS-Pack)

[github-actions[bot]]

Test Results

    3 files     18 suites   6m 33s :stopwatch:   335 tests   335 :white_check_mark: 0 :zzz: 0 :x: 1 005 runs  1 005 :white_check_mark: 0 :zzz: 0 :x:

Results for commit 149ce783.