Bump actions/setup-python from 6 to 7 in the gh-actions-dependencies group - #2

Failed to save: Unable to reserve cache with key setup-uv-2-x86_64-unknown-linux-gnu-ubuntu-24.04-3.14.6-pruned-108fff77af7f8ef3167f86268d75b4a7cbdf9154c9e76fe1c0939cbd41ae867c, another job may be creating this cache.