Stormshield KMaaS 4.3 fixes

The type returned in the logs related to the identity provider configuration retrieval is now correct.

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431 errors are now handled correctly when the requests received have too long headers.

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Error messages issued when a proxy is unreachable have been improved.

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The reading of environment variables when starting the Stormshield KMaaS has been optimized.

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The management and display of network errors in logs have been improved.

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A log is now issued for each outgoing connection made by the Stormshield KMaaS.