…ng to v1.43.0 (#2712)

* deps: update github/codeql-action action to v2.3.6

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

)

In this PR:
- Skip running library generation test after merging a pull request.
Related error:
```
Run set -ex
  set -ex
  git checkout "${base_ref}"
  git checkout "${head_ref}"
  changed_directories="$(git diff --name-only ${base_ref} ${head_ref})"
  if [[ ${changed_directories} =~ "library_generation/" ]]; then
    echo "should_run=true" >> $GITHUB_OUTPUT
  else
    echo "should_run=false" >> $GITHUB_OUTPUT
  fi
  shell: /usr/bin/bash --noprofile --norc -e -o pipefail {0}
  env:
    base_ref: 
    head_ref: 
+ git checkout ''
fatal: empty string is not a valid pathspec. please use . instead if you meant to match all paths
```

Full log:
https://github.com/googleapis/sdk-platform-java/actions/runs/8913958564/job/24480528068

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

* chore(main): release 2.70.0

* chore: generate libraries at Tue Nov 18 20:00:42 UTC 2025

---------

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
Co-authored-by: cloud-java-bot <cloud-java-bot@google.com>