refactor: PackageFile -> PackageFileContent (#20502)

lib/modules/manager/ansible-galaxy/extract.ts

lib/modules/manager/ansible/extract.ts

lib/modules/manager/argocd/extract.ts

lib/modules/manager/asdf/extract.ts

lib/modules/manager/azure-pipelines/extract.ts

lib/modules/manager/batect-wrapper/extract.ts

lib/modules/manager/batect/extract.ts

lib/modules/manager/bazel/extract.ts

lib/modules/manager/bazelisk/extract.ts

lib/modules/manager/bitbucket-pipelines/extract.ts

lib/modules/manager/buildkite/extract.ts

lib/modules/manager/bundler/extract.ts

lib/modules/manager/cake/index.ts

lib/modules/manager/cargo/extract.ts

lib/modules/manager/cdnurl/extract.ts

lib/modules/manager/circleci/extract.ts

lib/modules/manager/cloudbuild/extract.ts

lib/modules/manager/cocoapods/extract.ts

lib/modules/manager/composer/extract.ts

lib/modules/manager/conan/extract.ts