chore: Update CODEOWNERS to include python-sdk-team as a default owner

- Added @frequenz-floss/python-sdk-team to the CODEOWNERS file alongside the existing api-assets-team, ensuring shared ownership and collaboration on repository changes.

Signed-off-by: eduardiazf <[email protected]>

Author: eduardiazf

CODEOWNERS

@@ -4,4 +4,4 @@
 # Fallback owner.
 # These are the default owners for everything in the repo, unless a later match
 # takes precedence.
-* @frequenz-floss/api-assets-team
+* @frequenz-floss/api-assets-team @frequenz-floss/python-sdk-team