Update the NextReleaseTag to be v7.0.0-preview.7 (#11372)
Update the NextReleaseTag to be v7.0.0-preview.7 (#11372)


PaulHigin/PowerShell,TravisEz13/PowerShell,daxian-dbw/PowerShell,TravisEz13/PowerShell,JamesWTruher/PowerShell-1,JamesWTruher/PowerShell-1,PaulHigin/PowerShell,JamesWTruher/PowerShell-1,daxian-dbw/PowerShell,PaulHigin/PowerShell,PaulHigin/PowerShell,TravisEz13/PowerShell,JamesWTruher/PowerShell-1,daxian-dbw/PowerShell,daxian-dbw/PowerShell,TravisEz13/PowerShell