ssldump v1.7 release including a new TLS1.3 decryption support and many bugs fixed

What's Changed

• Improve CI builds using matrix strategy by @robert-scheck in #66
• For Y2K38 on 32 bit systems time_t tv_sec can be long long by @robert-scheck in #68
• Add CodeQL analysis by @robert-scheck in #67
• CI: libtls-dev → libssl-dev by @robert-scheck in #69
• Fix typo, mention RHEL derivative by @robert-scheck in #74
• Update Fedora link, mention RHEL/derivatives by @robert-scheck in #73
• Adding tls1.3 decryption support by @lord8266 in #75

New Contributors

• @robert-scheck made their first contribution in #66

Full Changelog: v1.6...v1.7