[stable26] ci(xmllint): bump action to v1.1

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (9ac7cce) 44.29% compared to head (899701b) 44.29%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## stable26 #1428 +/- ## =========================================== Coverage 44.29% 44.29% Complexity 99 99 =========================================== Files 19 19 Lines 298 298 =========================================== Hits 132 132 Misses 166 166 ``` | Flag | Coverage Δ | | |---|---|---| | unittests | `44.29% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=nextcloud#carryforward-flags-in-the-pull-request-comment) to find out more.

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[st3iny]

Static analysis failure is unrelated.