Fix CUDA CI

Outdated lines and errors in CUDA CI job:
```
File "/home/runner/.local/lib/python3.8/site-packages/setuptools/_entry_points.py", line 44, in <module>
      def validate(eps: metadata.EntryPoints):
  AttributeError: module 'importlib_metadata' has no attribute 'EntryPoints'
  error: subprocess-exited-with-error
```

.github/workflows/dependencies/dependencies_nvcc11.sh

@@ -24,8 +24,8 @@ sudo apt-get install -y \
     pkg-config          \
     wget
 
-sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/3bf863cc.pub
-echo "deb https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64 /" \
+sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/3bf863cc.pub
+echo "deb https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64 /" \
     | sudo tee /etc/apt/sources.list.d/cuda.list
 sudo apt-get update
 sudo apt-get install -y \

.github/workflows/ubuntu.yml

@@ -222,7 +222,7 @@ jobs:
         export CXX=$(which g++)
         export CUDAHOSTCXX=$(which g++)
 
-        python3 -m pip install -U pip setuptools wheel
+        python3 -m pip install -U pip setuptools launchpadlib wheel
         python3 -m pip install -U cmake
 
         cmake -S . -B build             \