Attempt to upgrade GH Action image to Ubuntu 23.04

.github/workflows/01ubuntu

@@ -1,2 +1,2 @@
-APT::Default-Release "jammy";
+APT::Default-Release "lunar";
 

.github/workflows/publish-for-blender-snapshot.yml

@@ -19,16 +19,14 @@ jobs:
  sudo curl https://raw.githubusercontent.com/mysticfall/bpystubgen/fix-ci/.github/workflows/01lunar.list \
  -o /etc/apt/sources.list.d/01lunar.list && \
  sudo curl https://raw.githubusercontent.com/mysticfall/bpystubgen/fix-ci/.github/workflows/01ubuntu \
- -o /etc/apt/apt.conf.d/01ubuntu && \
- sudo curl https://raw.githubusercontent.com/mysticfall/bpystubgen/fix-ci/.github/workflows/01openimageio \
- -o /etc/apt/preferences.d/01openimageio
+ -o /etc/apt/apt.conf.d/01ubuntu
  - name: Install Tools
  run: | 
  sudo apt update && \
- sudo apt install -t jammy-backports libopenimageio-dev && \
+ sudo apt dist-upgrade && \
  sudo apt install -y build-essential cmake libembree-dev \
  libxi-dev libxxf86vm-dev libboost-dev libboost-locale-dev libgl1-mesa-dev \
- libavformat-dev libtbb2-dev libswscale-dev libavdevice-dev libblas3 \
+ libavformat-dev libtbb2-dev libswscale-dev libavdevice-dev libblas3 libopenimageio-dev \
  libzstd-dev libopenimageio-dev libfreetype-dev libepoxy-dev libdecor-0-dev
 
  - name: Install Python
@@ -114,13 +112,12 @@ jobs:
  sudo curl https://raw.githubusercontent.com/mysticfall/bpystubgen/fix-ci/.github/workflows/01lunar.list \
  -o /etc/apt/sources.list.d/01lunar.list && \
  sudo curl https://raw.githubusercontent.com/mysticfall/bpystubgen/fix-ci/.github/workflows/01ubuntu \
- -o /etc/apt/apt.conf.d/01ubuntu && \
- sudo curl https://raw.githubusercontent.com/mysticfall/bpystubgen/fix-ci/.github/workflows/01openimageio \
- -o /etc/apt/preferences.d/01openimageio
+ -o /etc/apt/apt.conf.d/01ubuntu
 
  - name: Install Tools
  run: | 
  sudo apt update && \
+ sudo apt dist-upgrade && \
  sudo apt install -y libtbb2 libxi6 libxxf86vm1 libxfixes3 libgl1 \
  libavformat58 libavdevice58 libboost-locale1.74.0 libopenimageio-dev