[CI] Remove creation of package for bionic.

.github/workflows/package.yml

@@ -16,7 +16,6 @@ jobs:
           - ubuntu-kinetic
           - ubuntu-jammy
           - ubuntu-focal
-          - ubuntu-bionic
     steps:
       - uses: actions/checkout@v3
 
@@ -63,14 +62,6 @@ jobs:
           args: --no-sign
           ppa: ${{ steps.ppa.outputs.ppa }}
 
-      - uses: legoktm/gh-action-build-deb@ubuntu-bionic
-        if: matrix.distro == 'ubuntu-bionic'
-        name: Build package for ubuntu-bionic
-        id: build-ubuntu-bionic
-        with:
-          args: --no-sign
-          ppa: ${{ steps.ppa.outputs.ppa }}
-
       - uses: actions/upload-artifact@v3
         with:
           name: Packages for ${{ matrix.distro }}