Updating the docker base image to use go 1.22, also removing ubuntu l…

…unar becase it is deprecated, we don't need to support it anymore

Signed-off-by: Juan Bustamante <jbustamante@vmware.com>

.github/workflows/delivery-ubuntu.yml

@@ -20,7 +20,7 @@ jobs:
       strategy:
         fail-fast: false
         matrix:
-          target: [bionic, focal, jammy, lunar, noble]
+          target: [bionic, focal, jammy, noble]
       runs-on: ubuntu-20.04
       steps:
           - name: Checkout code
@@ -103,18 +103,6 @@ jobs:
               GPG_PUBLIC_KEY: ${{ secrets.GPG_PUBLIC_KEY }}
               PACKAGE_VERSION: ${{ steps.version.outputs.result }}
 
-          - name: Deliver lunar
-            if: matrix.target == 'lunar'
-            uses: docker://ubuntu:lunar
-            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 noble
             if: matrix.target == 'noble'
             uses: docker://ubuntu:noble

Dockerfile

@@ -1,6 +1,6 @@
 ARG base_image=gcr.io/distroless/static
 
-FROM golang:1.20 as builder
+FROM golang:1.22 as builder
 ARG pack_version
 ENV PACK_VERSION=$pack_version
 WORKDIR /app