github support: save username with token, so that other instances can…

… read it also (and removed settings git username), #GITBUILD

test vs2026 actions #GITBUILD

fix invaliddeployment exception (when loading online template images)…

…, fix current selected unity version when creating new empty project, #GITBUILD

update releases cache, #GITBUILD

test #GITBUILD

#GITBUILD test

#GITBUILD test

Added build timestamp to environment variables and release notes.

#GITBUILD test

update old setoutput CI workflows

#GITBUILD test

update workflows #GITBUILD