Update manpage and completions.

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

docs/Manpage.md

@@ -3709,6 +3709,27 @@ command execution e.g. `$(cat file)`.
 : If set, always use Homebrew's vendored, relocatable Ruby version even if the
   system version of Ruby is new enough.
 
+`HOMEBREW_FORMULA_BUILD_NETWORK`
+
+: If set, controls network access to the sandbox for formulae builds. Overrides
+  any controls set through DSL usage inside formulae. Must be `allow` or `deny`.
+  If no value is set through this environment variable or DSL usage, the default
+  behavior is `allow`.
+
+`HOMEBREW_FORMULA_POSTINSTALL_NETWORK`
+
+: If set, controls network access to the sandbox for formulae postinstall.
+  Overrides any controls set through DSL usage inside formulae. Must be `allow`
+  or `deny`. If no value is set through this environment variable or DSL usage,
+  the default behavior is `allow`.
+
+`HOMEBREW_FORMULA_TEST_NETWORK`
+
+: If set, controls network access to the sandbox for formulae test. Overrides
+  any controls set through DSL usage inside formulae. Must be `allow` or `deny`.
+  If no value is set through this environment variable or DSL usage, the default
+  behavior is `allow`.
+
 `HOMEBREW_GITHUB_API_TOKEN`
 
 : Use this personal access token for the GitHub API, for features such as `brew

manpages/brew.1

@@ -2411,6 +2411,15 @@ If set, always use a Homebrew\-installed \fBgit\fP(1) rather than the system ver
 \fBHOMEBREW_FORCE_VENDOR_RUBY\fP
 If set, always use Homebrew\[u2019]s vendored, relocatable Ruby version even if the system version of Ruby is new enough\.
 .TP
+\fBHOMEBREW_FORMULA_BUILD_NETWORK\fP
+If set, controls network access to the sandbox for formulae builds\. Overrides any controls set through DSL usage inside formulae\. Must be \fBallow\fP or \fBdeny\fP\&\. If no value is set through this environment variable or DSL usage, the default behavior is \fBallow\fP\&\.
+.TP
+\fBHOMEBREW_FORMULA_POSTINSTALL_NETWORK\fP
+If set, controls network access to the sandbox for formulae postinstall\. Overrides any controls set through DSL usage inside formulae\. Must be \fBallow\fP or \fBdeny\fP\&\. If no value is set through this environment variable or DSL usage, the default behavior is \fBallow\fP\&\.
+.TP
+\fBHOMEBREW_FORMULA_TEST_NETWORK\fP
+If set, controls network access to the sandbox for formulae test\. Overrides any controls set through DSL usage inside formulae\. Must be \fBallow\fP or \fBdeny\fP\&\. If no value is set through this environment variable or DSL usage, the default behavior is \fBallow\fP\&\.
+.TP
 \fBHOMEBREW_GITHUB_API_TOKEN\fP
 Use this personal access token for the GitHub API, for features such as \fBbrew search\fP\&\. You can create one at 
 .UR https://github\.com/settings/tokens