chore(v1.1.7): version bumps + CHANGELOG

- workspace 1.1.6 → 1.1.7
- SDK schema 1.7 → 1.8 (SecretsService, EmailService, TriggerEvent::Email)
- dashboard 0.12.0 → 0.13.0
- CHANGELOG entry: secrets, outbound email, inbound email, retroactive
  dead_letter fix note, realtime-key encryption migration (+ v1.1.8 drop)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Cargo.lock

@@ -1754,7 +1754,7 @@ dependencies = [
 
 [[package]]
 name = "picloud"
-version = "1.1.6"
+version = "1.1.7"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -1783,7 +1783,7 @@ dependencies = [
 
 [[package]]
 name = "picloud-cli"
-version = "1.1.6"
+version = "1.1.7"
 dependencies = [
  "anyhow",
  "assert_cmd",
@@ -1804,7 +1804,7 @@ dependencies = [
 
 [[package]]
 name = "picloud-executor"
-version = "1.1.6"
+version = "1.1.7"
 dependencies = [
  "anyhow",
  "picloud-executor-core",
@@ -1816,7 +1816,7 @@ dependencies = [
 
 [[package]]
 name = "picloud-executor-core"
-version = "1.1.6"
+version = "1.1.7"
 dependencies = [
  "async-trait",
  "base64",
@@ -1840,7 +1840,7 @@ dependencies = [
 
 [[package]]
 name = "picloud-manager"
-version = "1.1.6"
+version = "1.1.7"
 dependencies = [
  "anyhow",
  "picloud-manager-core",
@@ -1852,7 +1852,7 @@ dependencies = [
 
 [[package]]
 name = "picloud-manager-core"
-version = "1.1.6"
+version = "1.1.7"
 dependencies = [
  "argon2",
  "async-trait",
@@ -1883,7 +1883,7 @@ dependencies = [
 
 [[package]]
 name = "picloud-orchestrator"
-version = "1.1.6"
+version = "1.1.7"
 dependencies = [
  "anyhow",
  "picloud-orchestrator-core",
@@ -1895,7 +1895,7 @@ dependencies = [
 
 [[package]]
 name = "picloud-orchestrator-core"
-version = "1.1.6"
+version = "1.1.7"
 dependencies = [
  "async-trait",
  "axum",
@@ -1918,7 +1918,7 @@ dependencies = [
 
 [[package]]
 name = "picloud-shared"
-version = "1.1.6"
+version = "1.1.7"
 dependencies = [
  "aes-gcm",
  "async-trait",