chore(deps): bump datazoo-oauth2 for the browser-detection fix

[jrosskopf]

Submodule bump for DataZooDE/datazoo-oauth2#11 (merged).

What it fixes

A Datasphere call with an expired token on a headless session cost 60 seconds and ended in Timeout waiting for OAuth2 callback — which named neither the expired token nor the real problem, that no browser exists here.

Three causes, all confirmed in the code:

• OpenUrlLinux forked, execlp'd xdg-open, then waitpid'd with WNOHANG and discarded the status — so a non-zero exit looked exactly like success.
• Nothing checked whether a browser was reachable at all before trying.
• The failure was written only to the trace, which is off by default, so the user saw no explanation.

Verified through the extension

Against exactly the failing case:

• the instructions say the URL must be opened manually, instead of promising an automatic open and then contradicting themselves
• the reason is printed on the console, with the URL and an ssh -L hint for remote machines
• xdg-open's own no method available noise is gone, because the doomed opener is no longer run

3108 assertions in 578 test cases pass against this bump.

Note

This unblocks investigating #244: with an expired token the failure is now immediate and explains itself, rather than three 60-second hangs with a misleading error — which is how the defect was found in the first place.

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