/cmd bench with all runtimes fails

[mordamax]

#6919 (comment)

Run if [ -n "$(git status --porcelain)" ]; then
[bko-weights a76c2a2] Update from bkontur running command 'bench --pallet pallet_xcm'
 11 files changed, 674 insertions(+), 641 deletions(-)
remote: Invalid username or password.
fatal: Authentication failed for 'https://github.com/paritytech/polkadot-sdk.git/'
Push failed, trying to rebase...
remote: Invalid username or password.
fatal: Authentication failed for 'https://github.com/paritytech/polkadot-sdk.git/'

/cmd bench --pallet pallet_xcm would fail because it takes ~2hrs, thus the GH token obtained 2h ago is already invalidated

The fix would be obtaining a new fresh token right before a commit