Update maintainers, manpage and completions.

Autogenerated by the [update-man-completions](https://github.com/Homebrew/brew/blob/HEAD/.github/workflows/update-man-completions.yml) workflow.

completions/bash/brew

@@ -1521,6 +1521,7 @@ _brew_pr_publish() {
     -*)
       __brewcomp "
       --autosquash
+      --branch
       --debug
       --help
       --message

completions/fish/brew.fish

@@ -1043,6 +1043,7 @@ __fish_brew_complete_arg 'pr-automerge' -l without-labels -d 'Pull requests must
 
 __fish_brew_complete_cmd 'pr-publish' 'Publish bottles for a pull request with GitHub Actions'
 __fish_brew_complete_arg 'pr-publish' -l autosquash -d 'If supported on the target tap, automatically reformat and reword commits in the pull request to our preferred format'
+__fish_brew_complete_arg 'pr-publish' -l branch -d 'Branch to publish to (default: `master`)'
 __fish_brew_complete_arg 'pr-publish' -l debug -d 'Display any debugging information'
 __fish_brew_complete_arg 'pr-publish' -l help -d 'Show this message'
 __fish_brew_complete_arg 'pr-publish' -l message -d 'Message to include when autosquashing revision bumps, deletions, and rebuilds'

completions/zsh/_brew

@@ -1286,6 +1286,7 @@ _brew_pr_automerge() {
 _brew_pr_publish() {
   _arguments \
     '--autosquash[If supported on the target tap, automatically reformat and reword commits in the pull request to our preferred format]' \
+    '--branch[Branch to publish to (default: `master`)]' \
     '--debug[Display any debugging information]' \
     '--help[Show this message]' \
     '--message[Message to include when autosquashing revision bumps, deletions, and rebuilds]' \

docs/Manpage.md

@@ -1149,6 +1149,8 @@ Requires write access to the repository.
 
 * `--autosquash`:
   If supported on the target tap, automatically reformat and reword commits in the pull request to our preferred format.
+* `--branch`:
+  Branch to publish to (default: `master`).
 * `--message`:
   Message to include when autosquashing revision bumps, deletions, and rebuilds.
 * `--tap`:

manpages/brew.1

@@ -1605,6 +1605,10 @@ Publish bottles for a pull request with GitHub Actions\. Requires write access t
 If supported on the target tap, automatically reformat and reword commits in the pull request to our preferred format\.
 .
 .TP
+\fB\-\-branch\fR
+Branch to publish to (default: \fBmaster\fR)\.
+.
+.TP
 \fB\-\-message\fR
 Message to include when autosquashing revision bumps, deletions, and rebuilds\.
 .