shill: cellular: update operator name for Telia of Finland

Sonera was renamed Telia FI in 2020, let's update our operator database
accordingly.

BUG=b:161288551
TEST=unit-tests

Change-Id: I8753b93aaca35bddf1cd7c699a154af31fdd139d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform2/+/2485257
Reviewed-by: Eric Caruso <ejcaruso@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
diff --git a/shill/mobile_operator_db/serviceproviders.prototxt b/shill/mobile_operator_db/serviceproviders.prototxt
index af8307a..f5df20a 100644
--- a/shill/mobile_operator_db/serviceproviders.prototxt
+++ b/shill/mobile_operator_db/serviceproviders.prototxt
@@ -4258,7 +4258,7 @@
     uuid : "02d6a374-d53d-4f2f-b93a-fd1ed18338ce"
     country : "fi"
     localized_name {
-      name : "Sonera"
+      name : "Telia FI"
     }
     mccmnc : "24491"
     mobile_apn {