Add validation for tags of Attributes

[sebbi08]

Readiness checklist

• I added/updated tests.
• I ensured that the PR title is good enough for the changelog.
• I labeled the PR.
• I self-reviewed the PR.

[codecov]

Codecov Report

Attention: Patch coverage is 84.33735% with 26 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...teAttribute/CreateAttributeRequestItemProcessor.ts	44.44%	20 Missing ⚠️
...ion/src/modules/attributes/AttributesController.ts	92.40%	6 Missing ⚠️

Files with missing lines	Coverage Δ
...nsumption/src/consumption/ConsumptionCoreErrors.ts	81.44% <100.00%> (+0.19%)	⬆️
...eAttribute/ProposeAttributeRequestItemProcessor.ts	92.47% <100.00%> (+0.31%)	⬆️
...readAttribute/ReadAttributeRequestItemProcessor.ts	92.60% <100.00%> (+0.15%)	⬆️
...areAttribute/ShareAttributeRequestItemProcessor.ts	93.83% <100.00%> (+0.40%)	⬆️
...ion/src/modules/attributes/AttributesController.ts	93.34% <92.40%> (-0.07%)	⬇️
...teAttribute/CreateAttributeRequestItemProcessor.ts	80.63% <44.44%> (-1.27%)	⬇️

... and 2 files with indirect coverage changes

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[Milena-Czierlinski]

I haven't checked the non-trivial tests, yet, since they might change.