Merge branch 'cc/promisor-auto-config-url-more' into seen

Merge branch 'cc/promisor-auto-config-url-more' into seen

The handling of promisor-remote protocol capability has been
loosened to allow the other side to add to the list of promisor
remotes via the promisor.acceptFromServerURL configuration
variable.

* cc/promisor-auto-config-url-more:
  doc: promisor: improve acceptFromServer entry
  promisor-remote: auto-configure unknown remotes
  promisor-remote: trust known remotes matching acceptFromServerUrl
  promisor-remote: introduce promisor.acceptFromServerUrl
  promisor-remote: add 'local_name' to 'struct promisor_info'
  urlmatch: add url_normalize_pattern() helper
  urlmatch: change 'allow_globs' arg to bool
  t5710: simplify 'mkdir X' followed by 'git -C X init'