Update the zcrypto dependency to bring in TLS 1.3 support

[phillip-stephens]

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[phillip-stephens]

Looks like we'll need to update the zschema definitions in zcrypto for the integration tests to pass. @developStorm would you have the bandwidth to take a look at this?

[developStorm]

@phillip-stephens Thanks for the heads up, fixed zschemas!

ZGrab on this branch is currently tracking an unmerged commit of ZCrypto zmap/zcrypto#412 to allow the integration test to pass. We should merge the ZCrypto PR first before proceeding with this one.

Additionally, the Python integration test now pulls schemas from a specific version of ZCrypto instead of the latest main commit (see the requirements.txt change). This ensures it aligns with the ZCrypto version specified in go.mod.

The test failure took longer to resolve due to an issue with the mssql module that was difficult to identify. The tdsConnection.Read() method was incorrectly implemented as ReadFull, causing it to wait indefinitely for a new packet that will never arrive. The issue only became evident under specific packet sizes and input buffering configurations - this happened to be the case with Server Hello packets in the upgraded TLS library, where an increase in size triggered the flawed TDS packet handling. e165e17 fixed this issue by ensuring the method no longer tries to fill up the input buffer by waiting for new TDS packets, aligning with the expected behavior of Read().

I also patched the integration test and Docker setup a bit with 9f512c2 to improve robustness.

[developStorm]

Oh I guess you probably can't approve this PR because you created it @phillip-stephens. I'll just approve this and you can rebase/merge it if it looks good.