Bump Ubuntu action runner to 24.04

[kachick]

actions/runner-images#9848

[kachick]

+ typos . .github .vscode
+ actionlint
.github/workflows/GH-771-targets.yml:20:14: label "ubuntu-24.04" is unknown. available labels are "windows-latest", "windows-latest-8-cores", "windows-2022", "windows-2019", "windows-2016", "ubuntu-latest", "ubuntu-latest-4-cores", "ubuntu-latest-8-cores", "ubuntu-latest-16-cores", "ubuntu-22.04", "ubuntu-20.04", "macos-latest", "macos-latest-xl", "macos-latest-xlarge", "macos-latest-large", "macos-14-xl", "macos-14-xlarge", "macos-14-large", "macos-14", "macos-14.0", "macos-13-xl", "macos-13-xlarge", "macos-13-large", "macos-13", "macos-13.0", "macos-12-xl", "macos-12-xlarge", "macos-12-large", "macos-12", "macos-12.0", "macos-11", "macos-11.0", "macos-10.15", "self-hosted", "x64", "arm", "arm64", "linux", "macos", "windows". if it is a custom label for self-hosted runner, set list of labels in actionlint.yaml config file [runner-label]
   |
20 |     runs-on: ubuntu-24.04
   |              ^~~~~~~~~~~~

Using actionlint often made these mismatch...

rhysd/actionlint#424