v26.2.0
deps: update archs files for openssl-3.5.6
deps: keep required OpenSSL doc files
build: add GN build files
doc: fix broken link to new folder doc/contributing/maintaining
src,deps,build,test: add OpenSSL config appname
build: add support for OpenHarmony operating system
build,win: enable x64 PGO
deps: attempt to suppress macro-redefined warning
build,deps,tools: prepare to update to OpenSSL 3.5
build: fix arm64 host cross-compilation in GN