[3.14] CI: Move Homebrew dependencies into Brewfile (GH-148335)

(cherry picked from commit a318a9d)

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Brett Cannon <brett@python.org>

Author: hugovk

.github/workflows/reusable-macos.yml

@@ -38,7 +38,8 @@ jobs:
       run: echo "IMAGE_OS_VERSION=${ImageOS}-${ImageVersion}" >> "$GITHUB_ENV"
     - name: Install Homebrew dependencies
       run: |
-        brew install pkg-config openssl@3.0 xz gdbm tcl-tk@8 make
+        brew bundle --file=Misc/Brewfile
+        brew install make
         # Because alternate versions are not symlinked into place by default:
         brew link --overwrite tcl-tk@8
     - name: Configure CPython

Misc/Brewfile

@@ -0,0 +1,13 @@
+brew "gdbm"
+brew "openssl@3.0"
+brew "pkg-config"
+brew "tcl-tk@8"
+brew "xz"
+
+brew "bzip2" if OS.linux?
+brew "expat" if OS.linux?
+brew "libedit" if OS.linux?
+brew "libffi" if OS.linux?
+brew "ncurses" if OS.linux?
+brew "unzip" if OS.linux?
+brew "zlib-ng-compat" if OS.linux?