Update Docker and Singularity actions to resolve missing "packaging" package

Author: samcmill

.github/workflows/docker_build.yml

@@ -79,12 +79,12 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: Set up Python
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
 
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install six archspec
+        pip install six archspec packaging
 
     - name: Build container
       run: |

.github/workflows/singularity_build.yml

@@ -79,12 +79,12 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: Set up Python
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
 
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install six archspec
+        pip install six archspec packaging
 
     - name: Install Singularity
       run: |