feat(ci): add imagesOnly input to release workflow

Allow releasing just Docker images without triggering CLI desktop release, pinata bump, or CE packaging jobs. Also removes the unused input reference. This is useful for releasing a new image with an updated llama.cpp.

Signed-off-by: Dorin Geman <dorin.geman@docker.com>

Author: doringeman

.github/workflows/release.yml

@@ -46,6 +46,11 @@ on:
         required: false
         type: boolean
         default: false
+      imagesOnly:
+        description: "Only build and push Docker images (skip CLI releases, pinata bump, and CE packaging)"
+        required: false
+        type: boolean
+        default: false
 
 jobs:
   # ---------------------------------------------------------------------------
@@ -414,6 +419,7 @@ jobs:
   # Release CLI for Docker Desktop — build, sign & push CLI + Desktop module image
   # ---------------------------------------------------------------------------
   release-cli-desktop:
+    if: ${{ !inputs.imagesOnly }}
     needs: [prepare, test]
     runs-on: ubuntu-latest
     permissions:
@@ -468,6 +474,7 @@ jobs:
   # Bump docker-model version in pinata and open a PR
   # ---------------------------------------------------------------------------
   bump-pinata:
+    if: ${{ !inputs.imagesOnly }}
     needs: [prepare, release-cli-desktop]
     runs-on: ubuntu-latest
     permissions:
@@ -520,7 +527,7 @@ jobs:
   # deploy completed successfully.
   # ---------------------------------------------------------------------------
   release-cli-docker-ce-trigger:
-    if: ${{ !inputs.skipPackaging }}
+    if: ${{ !inputs.imagesOnly }}
     needs: [prepare, release-cli-desktop]
     runs-on: ubuntu-latest
     permissions:
@@ -609,6 +616,7 @@ jobs:
   # server versions match the release tag.
   # ---------------------------------------------------------------------------
   verify-docker-ce:
+    if: ${{ !inputs.imagesOnly }}
     needs: [prepare, release-cli-docker-ce-trigger, build]
     runs-on: ubuntu-latest
     environment: release-repo-deploy