Bump puma from 5.6.4 to 5.6.9 in /src/emailservice

Bumps [puma](https://github.com/puma/puma) from 5.6.4 to 5.6.9.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](puma/puma@v5.6.4...v5.6.9)

---
updated-dependencies:
- dependency-name: puma
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/emailservice/Gemfile.lock

@@ -16,7 +16,7 @@ GEM
       digest
       net-protocol
       timeout
-    nio4r (2.5.8)
+    nio4r (2.7.3)
     opentelemetry-api (1.0.2)
     opentelemetry-common (0.19.6)
       opentelemetry-api (~> 1.0)
@@ -44,7 +44,7 @@ GEM
       opentelemetry-api (~> 1.0)
     pony (1.13.1)
       mail (>= 2.0)
-    puma (5.6.4)
+    puma (5.6.9)
       nio4r (~> 2.0)
     rack (2.2.3.1)
     rack-protection (2.2.0)
@@ -60,6 +60,7 @@ GEM
 
 PLATFORMS
   arm64-darwin-21
+  x86_64-linux
 
 DEPENDENCIES
   net-smtp (~> 0.3)