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Add `toolcache.ts` script for `bundle(-from)-toolcache` checks #2553

Job	Run time
Analysis kinds (ubuntu-latest, linked, code-scanning)	46s
Analysis kinds (ubuntu-latest, linked, risk-assessment)	52s
Analysis kinds (ubuntu-latest, nightly-latest, code-scanning,code-quality)	55s
Analysis kinds (ubuntu-latest, linked, code-scanning,code-quality)	1m 2s
Analysis kinds (ubuntu-latest, nightly-latest, code-quality)	52s
Analysis kinds (ubuntu-latest, nightly-latest, code-scanning)	56s
Analysis kinds (ubuntu-latest, linked, code-quality)	51s
Analysis kinds (ubuntu-latest, nightly-latest, risk-assessment)	57s
	7m 11s