ci: run the reusable service CI from core v0.19.6, the linked core's tag

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: saurabhmaheshwari-obin

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ concurrency:
 
 jobs:
   ci:
-    uses: codefly-dev/core/.github/workflows/go-service-ci.yml@v0.19.4
+    uses: codefly-dev/core/.github/workflows/go-service-ci.yml@v0.19.6
     with:
       # The Python runtime tests drive `uv` on the host (dependency sync,
       # pytest); it isn't on the runner by default.

AGENTS.md

@@ -67,9 +67,9 @@ within reach.
 ## Build and test
 
 Derived from `.github/workflows/ci.yml`, which delegates to core's shared
-`go-service-ci.yml`, pinned to the linked core's tag (`@v0.19.4`; move it with
+`go-service-ci.yml`, pinned to the linked core's tag (`@v0.19.6`; move it with
 the core bump), and adds a `race` job of its own. Go comes from `go.mod`
-(1.27.2). All of it runs locally:
+(1.27.3). All of it runs locally:
 
 ```bash
 go build ./...          # CI: build job