stunnel 5.71 released

[Michał Trojnara]

Dear Users,

I have released version 5.71 of stunnel.

### Version 5.71, 2023.09.19, urgency: MEDIUM
* Security bugfixes
   - OpenSSL DLLs updated to version 3.1.3.
* Bugfixes
   - Fixed the console output of tstunnel.exe.
* Features sponsored by SAE IT-systems
   - OCSP stapling is requested and verified in the client mode.
   - Using "verifyChain" automatically enables OCSP
     stapling in the client mode.
   - OCSP stapling is always available in the server mode.
   - An inconclusive OCSP verification breaks TLS negotiation.
     This can be disabled with "OCSPrequire = no".
   - Added the "TIMEOUTocsp" option to control the maximum
     time allowed for connecting an OCSP responder.
* Features
   - Added support for Red Hat OpenSSL 3.x patches.

Home page: https://www.stunnel.org/

Download: https://www.stunnel.org/downloads.html

SHA-256 hashes:
f023aae837c2d32deb920831a5ee1081e11c78a5d57340f8e6f0829f031017f5 
stunnel-5.71.tar.gz
945df5118473bcbf1ecdc5561fd6f26743c5dd1fd82e1a25199d0fd5c39a9373 
stunnel-5.71-win64-installer.exe
d511df533bb89464a324b2439e7e04b24b6ce26ecc0e03b67ada307725343d40 
stunnel-5.71-android.zip

Best regards,
     Mike
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