chore: update charm libraries (#223)

lib/charms/tls_certificates_interface/v2/tls_certificates.py

@@ -307,7 +307,7 @@ def _on_all_certificates_invalidated(self, event: AllCertificatesInvalidatedEven
 
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
-LIBPATCH = 28
+LIBPATCH = 29
 
 PYDEPS = ["cryptography", "jsonschema"]
 
@@ -459,7 +459,7 @@ def restore(self, snapshot: dict):
 class CertificateExpiringEvent(EventBase):
     """Charm Event triggered when a TLS certificate is almost expired."""
 
-    def __init__(self, handle, certificate: str, expiry: str):
+    def __init__(self, handle: Handle, certificate: str, expiry: str):
         """CertificateExpiringEvent.
 
         Args: