Coturn 4.6.2

• Fix MSVC CI build
• Prometheus: make sure microhttpd starts using epoll if supported
• Fix typo in mainrelay.c
• Remove unused include that breaks OpenBSD
• Delete LICENSE.OpenSSL
• use santisied psql string
• Use the actual redis connection string to connect, not the sanitized one
• Implement non-blocking recvfrom on Windows
• Add contributing guidelines
• Move and split documentation files
• Use inline functions for errno checks
• Add STUN request/response/error prometheus counters
• Add configuration option for TLS 1.3 ciphersuites
• Fix wrong usage of C-style in place generated array
• bugfix: fix broken type label of turn_total_allocations gauge
• Add explicit SIGTERM and SIGINT handlers
• Set string bytes to null to prevent random origin
• Regenerate manual pages from README files
• Fix inverted logic in TLS configuration options
• Reduce code duplication when printing userdb
• Fix memory corruption on socket close
• Cleanup logs on turnserver start
• Optional build info compiled into turnserver binary
• Fix duplicate prometheus metric report
• Add sessioncount to prometheus metrics
• Update openssl API use to non-deprecated version
• Log threadId to logs to aid in multi-threaded debugging
• Use khash 0.2.8
• Reflect new native Windows build support in documentation
• Check and fix format string for turn_log_func_default
• Properly calculate size for sm_allocated
• Do not discard qualifiers in free()
• Simplify defines for macOS platform
• WINDOWS: unsigned long should not be used to store pointers
• Reduce usage of TURN_NO_HIREDIS macros
• Update to fix duplicate stdout log output
• Use c11 standard
• Reduce usage of TURN_NO_PROMETHEUS
• Remove unnecessary declaration from header file
• Support Windows MSVC
• Fix resource leaks
• Backlog fifo
• Change rpm systemd service type from notify to exec
• Add missing comma
• Fix off-by-one when terminating gcm_nonce
• Use %zu format specifier for size_t
• Fix variable argument handling
• Cleanup openssl initialization
• fuzzing support
• created netengine.c get_relay_server utility method to reduce code duplication
• fix bug in calls to ssl_read and ssl_send where extra verbose flag goes missing
• ignore raw UDP if no_udp is enabled
• Sanitize DB connection string before printing to log
• Better detect SCTP protocol
• Redis memleaks and socketleaks
• Fix issue 51563 in oss-fuzz
• Fix multiple warnings in libtelnet.c file
• Update libtelnet to 0.23 (portability issues)
• Remove debug publish to redis
• Cleanup unused include of header files
• Use single SSL_CTX for DTLS support
• Malformed response to mobility refresh request
• Silence warnings by converting STRCPY to strncpy calls
• Build CI with prometheus support
• Replace references to non-existent pdf file with links
• Fix TLS1.3 support
• Use a single SSL context object
• Use epoll for promhttp server if supported
• Fix issues reported by cppcheck
• Replace bcopy with memcpy
• Replace bzero with memset
• Improve openssl3 and FIPS support
• Preserve file timestamps when using install
• Fix renegotiation flag for older version of openssl