MINIFICPP-1309 - RAII based resourceClaim management

[adamdebreceni]

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[fgerlits]

Is the Windows (GitHub actions) test failure related to this change? It doesn't look like one of the usual flaky tests.

[adamdebreceni]

Indeed I don't remember seeing RepoTests fail, although on my fork's CI run it did not fail

[szaszm]

👀

[arpadboda]

LGTM, thanks!