Bump version to 0.3.0

Co-Authored-By: Claude <noreply@anthropic.com>

Cargo.lock

@@ -1794,7 +1794,7 @@ dependencies = [
 
 [[package]]
 name = "meguri"
-version = "0.2.1"
+version = "0.3.0"
 dependencies = [
  "argon2",
  "base64 0.23.1",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "meguri"
-version = "0.2.1"
+version = "0.3.0"
 edition = "2024"
 rust-version = "1.97"
 description = "Provider-independent on-call scheduling and configuration control plane"

helm/meguri/Chart.yaml

@@ -2,6 +2,6 @@ apiVersion: v2
 name: meguri
 description: On-call schedules, replacements and escalation policies as a source of truth
 type: application
-version: 0.2.1
+version: 0.3.0
-appVersion: "0.2.1"
+appVersion: "0.3.0"
 kubeVersion: ">=1.29.0-0"