Add code owners for CI stuff (#4245)

# Description of Changes

Added @bfops and @jdetter as codeowners for a bunch of the CI-related
stuff, since it is nontrivial infrastructure.

# API and ABI breaking changes

None.

# Expected complexity level and risk

1

# Testing

None

---------

Co-authored-by: Zeke Foppa <bfops@users.noreply.github.com>

Author: bfops

.github/CODEOWNERS

@@ -7,6 +7,10 @@ LICENSE.txt @cloutiertyler
 /crates/client-api-messages/src/websocket.rs @centril @gefjon
 
 /crates/cli/src/ @bfops @cloutiertyler @jdetter
+/tools/ci/ @bfops @cloutiertyler @jdetter
+/tools/upgrade-version/ @bfops @jdetter
+/tools/license-check/ @bfops @jdetter
+/.github/ @bfops @jdetter
 
 /crates/sdk/examples/quickstart-chat/ @gefjon
 /modules/quickstart-chat/ @gefjon