Implement logging tool output to file

[manuelma]

Re Spine-Toolbox#1683

Checklist before merging

• [x] Documentation (also in Toolbox repo) is up-to-date
• [x] Release notes in Toolbox repo have been updated
• [x] Unit tests have been added/updated accordingly
• [x] Code has been formatted by black
• [x] Unit tests pass

[codecov-commenter]

Codecov Report

Patch coverage: 75.86% and project coverage change: +0.11 :tada:

Comparison is base (55c9b67) 54.95% compared to head (80409b1) 55.06%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #140 +/- ## ========================================== + Coverage 54.95% 55.06% +0.11% ========================================== Files 192 192 Lines 17300 17356 +56 Branches 2836 2843 +7 ========================================== + Hits 9507 9557 +50 - Misses 7300 7307 +7 + Partials 493 492 -1 ``` | [Impacted Files](https://app.codecov.io/gh/spine-tools/spine-items/pull/140?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=spine-tools) | Coverage Δ | | |---|---|---| | [spine\_items/tool/ui/tool\_specification\_form.py](https://app.codecov.io/gh/spine-tools/spine-items/pull/140?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=spine-tools#diff-c3BpbmVfaXRlbXMvdG9vbC91aS90b29sX3NwZWNpZmljYXRpb25fZm9ybS5weQ==) | `99.55% <ø> (ø)` | | | [spine\_items/tool/commands.py](https://app.codecov.io/gh/spine-tools/spine-items/pull/140?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=spine-tools#diff-c3BpbmVfaXRlbXMvdG9vbC9jb21tYW5kcy5weQ==) | `52.17% <40.00%> (-3.39%)` | :arrow_down: | | [spine\_items/tool/tool.py](https://app.codecov.io/gh/spine-tools/spine-items/pull/140?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=spine-tools#diff-c3BpbmVfaXRlbXMvdG9vbC90b29sLnB5) | `61.61% <69.23%> (+0.16%)` | :arrow_up: | | [spine\_items/tool/executable\_item.py](https://app.codecov.io/gh/spine-tools/spine-items/pull/140?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=spine-tools#diff-c3BpbmVfaXRlbXMvdG9vbC9leGVjdXRhYmxlX2l0ZW0ucHk=) | `45.35% <87.09%> (+4.23%)` | :arrow_up: | | [spine\_items/tool/ui/tool\_properties.py](https://app.codecov.io/gh/spine-tools/spine-items/pull/140?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=spine-tools#diff-c3BpbmVfaXRlbXMvdG9vbC91aS90b29sX3Byb3BlcnRpZXMucHk=) | `99.41% <100.00%> (+0.01%)` | :arrow_up: | ... and [2 files with indirect coverage changes](https://app.codecov.io/gh/spine-tools/spine-items/pull/140/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=spine-tools)

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