Update to Ubuntu 22.04

.github/workflows/snap-creation.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         branch: [master, develop]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v2
     - name: Install Snapcraft
@@ -31,7 +31,6 @@ jobs:
       run: |
         sudo apt install --yes git
         sudo snap install snapcraft --classic
-        export ROS_DISTRO=noetic
         git clone --recurse-submodules --depth 3 --single-branch --branch ${{ matrix.branch }} https://github.com/cyberbotics/webots.git
         export WEBOTS_VERSION=$(cat webots/scripts/packaging/webots_version.txt | sed 's/ revision /-rev/g')
         sed -i "s/version:\s*'R[0-9]\{4\}[a-z].*'/version: '$WEBOTS_VERSION'/g" snapcraft.yaml
@@ -64,7 +63,7 @@ jobs:
         webots/scripts/packaging/publish_release.py --key=${{ secrets.BOT_ACTION_KEY }} --repo=cyberbotics/webots --commit=$COMMIT_ID
   release-tag:
     if: ${{ github.event_name == 'push' }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/checkout@v2
     - name: Install Snapcraft