Release v1.26.0

What's Changed

• Define OPENSSL_NO_TLS_PHA, typedef PSK callback signatures by @WillChilds-Klein in #1526
• Upstream merge 2024 04 16 by @torben-hansen in #1535
• [ML-KEM] Add experimental support for ML-KEM-512-IPD by @dkostic in #1516
• Remove redundant test exec libraries by @justsmth in #1544
• Support vpinsrq in delocater by @torben-hansen in #1543
• Fix skipped tests in Mariadb integration CI by @samuel40791765 in #1533
• Fix the NTP integration test (NTP website changed) by @dkostic in #1548
• Add EC point add/dbl to speed.cc by @dkostic in #1545
• Add SHA3-256 KAT to FIPS self-test by @justsmth in #1549
• Basic GH CI build/test with full range of gcc/clang by @justsmth in #1546
• Link porting guide table to header documentation by @samuel40791765 in #1540
• Add dependency to python3-six in github action grpc by @fabrice102 in #1554
• Avoid 'z' format with MSVCRT by @justsmth in #1559
• Remove duplicate X509_OBJECT_new and X509_OBJECT_free declarations by @andrewhop in #1560
• Update x25519_test.cc array initialization to avoid a bug with a GCC 13 warning by @andrewhop in #1555
• Fix ec2 CI testing framework by @samuel40791765 in #1541
• Cleanup remaing duplicate symbol definitions and turn Wredundant-decls on by @andrewhop in #1561
• CI for other MacOS versions by @justsmth in #1558
• Centralize handling of s2n-bignum alt/non-alt function selection by @dkostic in #1547
• Migrate from FreeBSD to __FreeBSD_version by @andrewhop in #1562
• Remove comments about overread for entropy generation by @fabrice102 in #1551
• OpenBSD 7.4 and 7.5 Support by @skmcgrail in #1437
• ppc64le: EVP_has_aes_hardware is false w/ no-asm by @justsmth in #1566
• Changed SSL_client_hello_get0_ciphers to align with OpenSSL behavior by @smittals2 in #1542
• Minor functions to build with Ruby's cipher module by @samuel40791765 in #1564
• v1.26.0 Release Preparation by @skmcgrail in #1572

Full Changelog: v1.25.0...v1.26.0