Update actions titles & setup-python version

There's a deprecation warning in setup-python@v4

.github/workflows/joss-paper-draft.yml

@@ -1,4 +1,4 @@
-name: Draft PDF
+name: Build paper draft PDF
 on: 
   push:
       paths:

.github/workflows/python-check.yml

@@ -7,7 +7,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: "3.x"
     - name: Install dependencies

.github/workflows/python-docs.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: "3.x"
     - name: Install dependencies

.github/workflows/python-publish.yml

@@ -18,7 +18,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '3.x'
     - name: Install dependencies

.github/workflows/python-test.yml

@@ -25,7 +25,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies

.github/workflows/release-dockerhub.yml

@@ -1,4 +1,4 @@
-name: Release Dockerhub
+name: Release dockerfile to Dockerhub
 
 on:
   push: