chore: update charm libraries (#71)

Co-authored-by: Github Actions <[email protected]>

lib/charms/loki_k8s/v0/loki_push_api.py

@@ -484,7 +484,7 @@ def _alert_rules_error(self, event):
 
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
-LIBPATCH = 13
+LIBPATCH = 14
 
 logger = logging.getLogger(__name__)
 
@@ -766,7 +766,7 @@ def _from_file(self, root_path: Path, file_path: Path) -> List[dict]:
                         # any string as a "wildcard" which the topology labels will
                         # filter down
                         alert_rule["expr"] = self.tool.inject_label_matchers(
-                            re.sub(r"%%juju_topology%%", r'job=".+"', alert_rule["expr"]),
+                            re.sub(r"%%juju_topology%%", r'job=~".+"', alert_rule["expr"]),
                             self.topology.label_matcher_dict,
                         )