[release/7.0-staging] Fix a memory leak in runtime interop stubs when using an array of structs of types that use old-style managed marshalers - #93148

[release/7.0-staging] Fix a memory leak in runtime interop stubs when using an array of structs of types that use old-style managed marshalers#93148

jkoritzinsky merged 2 commits into

release/7.0-stagingdotnet/runtime:release/7.0-stagingfrom

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