Bump hsqldb from 2.3.4 to 2.7.1 in /Cryptography-for-Developers/server#6

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dependabot/maven/Cryptography-for-Developers/server/org.hsqldb-hsqldb-2.7.1NovatecConsulting/developer-security-training:dependabot/maven/Cryptography-for-Developers/server/org.hsqldb-hsqldb-2.7.1Copy head branch name to clipboard