Update `bbctl` formula to inject the current release's `release_date` as the build time `buildDate` in support of expired-version warnings

General MR

Summary

• Closes big-bang/apps/developer-tools/bbctl#29
• Companion MR to big-bang/apps/developer-tools/bbctl!13
• Relates to big-bang/apps/developer-tools/bbctl#19

Relevant logs/screenshots

make brew run to confirm the build arg is being passed as expected

homebrew-tools-public on  djp-test-bbctl-released-at-date [$]
❯ rg UTC ./Formula/bbctl.rb
28:    build_date_val = "2025-01-22 15:50:38.633 +0000 UTC"

homebrew-tools-public on  djp-test-bbctl-released-at-date [$]
❯ make brew
brew uninstall -f "bbctl"
Uninstalling bbctl... (7 files, 82.7MB)
brew untap -f "bigbang/tools-public" || echo "untap complete, swallowing return code..."
Untapping bigbang/tools-public...
Untapped 1 formula (218 files, 125.2KB).
brew tap "bigbang/tools-public" .
==> Tapping bigbang/tools-public
Cloning into '/opt/homebrew/Library/Taps/bigbang/homebrew-tools-public'...
done.
Tapped 1 formula (218 files, 125.2KB).
brew reinstall -f "bigbang/tools-public/bbctl"
==> Fetching bigbang/tools-public/bbctl
==> Downloading https://repo1.dso.mil/big-bang/apps/developer-tools/bbctl/-/archive/0.7.6/bbctl-0.7.6.tar.gz
Already downloaded: /Users/daniel/Library/Caches/Homebrew/downloads/cdbfed710815626b3034cd1778628355d1b9a5ce69d6e31cc0750e01dfe0a8ca--bbctl-0.7.6.tar.gz
==> Reinstalling bigbang/tools-public/bbctl
==> go build -ldflags=-s -w -X 'repo1.dso.mil/big-bang/apps/developer-tools/bbctl/static.buildDate=2025-01-22 15:50:38.633 +0000 UTC'
🍺  /opt/homebrew/Cellar/bbctl/0.7.6: 7 files, 82.7MB, built in 3 seconds
==> Running `brew cleanup bbctl`...
Disable this behaviour by setting HOMEBREW_NO_INSTALL_CLEANUP.
Hide these hints with HOMEBREW_NO_ENV_HINTS (see `man brew`).
brew audit --verbose --strict --formula "bigbang/tools-public/bbctl"
/opt/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/bin/bundle clean
brew test --verbose --debug "bigbang/tools-public/bbctl"
/opt/homebrew/Library/Homebrew/vendor/bundle/ruby/3.3.0/bin/bundle clean
/opt/homebrew/Library/Homebrew/brew.rb (Formulary::FromTapLoader): loading bigbang/tools-public/bbctl
/opt/homebrew/Library/Homebrew/brew.rb (Formulary::FromAPILoader): loading go
==> Testing bigbang/tools-public/bbctl
/opt/homebrew/Library/Homebrew/test.rb (Formulary::FromPathLoader): loading /opt/homebrew/Library/Taps/bigbang/homebrew-tools-public/Formula/bbctl.rb
==> /opt/homebrew/Cellar/bbctl/0.7.6/bin/bbctl

Upgrade Notices

N/A