chore: remove Ubuntu 24.10 (Oracular Oriole) from delivery workflow (#2507)

Ubuntu 24.10 "Oracular Oriole" has reached End of Life (July 11, 2025)
and the Ubuntu repositories have been removed from the main archive,
causing delivery workflow failures.

Fixes #2504

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Signed-off-by: Juan Bustamante <bustamantejj@gmail.com>
Co-authored-by: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: jjbustamante

.github/workflows/delivery-ubuntu.yml

@@ -20,7 +20,7 @@ jobs:
       strategy:
         fail-fast: false
         matrix:
-          target: [focal, jammy, noble, oracular, plucky]
+          target: [focal, jammy, noble, plucky]
       runs-on: ubuntu-22.04
       steps:
           - name: Checkout code
@@ -104,18 +104,6 @@ jobs:
               GPG_PUBLIC_KEY: ${{ secrets.GPG_PUBLIC_KEY }}
               PACKAGE_VERSION: ${{ steps.version.outputs.result }}
 
-          - name: Deliver oracular
-            if: matrix.target == 'oracular'
-            uses: docker://ubuntu:oracular
-            with:
-              entrypoint: .github/workflows/delivery/ubuntu/deliver.sh
-            env:
-              DEBIAN_FRONTEND: "noninteractive"
-              GO_DEP_PACKAGE_NAME: golang
-              GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
-              GPG_PUBLIC_KEY: ${{ secrets.GPG_PUBLIC_KEY }}
-              PACKAGE_VERSION: ${{ steps.version.outputs.result }}
-
           - name: Deliver plucky
             if: matrix.target == 'plucky'
             uses: docker://ubuntu:plucky