chore: prevent api-extractor from publishing tagsForStack

[iankhou]

Fixes internal issue that caused a function tagsForStack1 to be published in the AWS CDK Toolkit Library API Reference.

Removes the following entry:

---

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[iankhou]

Might need a different approach for this.

Getting the following error in the build for aws-cdk (not @aws-cdk, where this change is being made), due to its import of tagsForStack.

👾 build » compile | tsc --build
lib/cli/cdk-toolkit.ts:23:20 - error TS2305: Module '"../api/tags"' has no exported member 'tagsForStack'.

23 import { type Tag, tagsForStack } from '../api/tags';

[mrgrain]

Might need a different approach for this.

Getting the following error in the build for aws-cdk (not @aws-cdk, where this change is being made), due to its import of tagsForStack.

👾 build » compile | tsc --build
lib/cli/cdk-toolkit.ts:23:20 - error TS2305: Module '"../api/tags"' has no exported member 'tagsForStack'.

23 import { type Tag, tagsForStack } from '../api/tags';

Let's just move it into a non public file. It's low value. You can also make a hard-copy for the CLI. Again, trivial code.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.01%. Comparing base (e629e30) to head (bd5285c).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #581      +/-   ##
==========================================
- Coverage   79.59%   79.01%   -0.59%     
==========================================
  Files          47       46       -1     
  Lines        7086     7085       -1     
  Branches      793      790       -3     
==========================================
- Hits         5640     5598      -42     
- Misses       1427     1468      +41     
  Partials       19       19              

Flag	Coverage Δ
suite.unit	79.01% <100.00%> (-0.59%)	⬇️

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