Release: v1.18.0

What's Changed

• Upstream merge 2023-11-20 by @torben-hansen in #1315
• Wire up s2n-bignum Ed25519 backend by @torben-hansen in #1309
• Allow 0 byte read/write in SSL_{read,write}_ex by @WillChilds-Klein in #1316
• Increment session hit counter for ticket resumptions by @WillChilds-Klein in #1320
• Add back SSL_use_certificate_chain_file by @samuel40791765 in #1312
• Log symbol name for fips scope assertion error by @torben-hansen in #1321
• Add support for building with pkgconfig by @samuel40791765 in #1310
• Docker images for loongarch64, ppc64, ppc64le, and riscv64 by @justsmth in #1168
• Use mkstemp instead of tmpname when available by @samuel40791765 in #1325
• CI for Build/Testing on PPC64BE by @justsmth in #1318
• Improve decision logic for s2n-bignum implementation by @torben-hansen in #1323
• Add null-check for input args in SSL_{read|write}_ex by @dkostic in #1326
• CI for PPC32 Cross build/test by @justsmth in #1329
• Give BIO an ex_data by @samuel40791765 in #1328
• Return 0 if using default proto min/max by @WillChilds-Klein in #1322
• Fix expected error string for Postgres integration by @samuel40791765 in #1330
• Improve backwards compatability for the TLS transfer parser by @torben-hansen in #1337
• Prepare release 1.18.0 by @justsmth in #1336

Full Changelog: v1.17.4...v1.18.0