Update workflows to Python 3.10

Author: localauthor

.github/workflows/melpazoid-zk-desktop.yml

@@ -11,9 +11,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@v1
-      with: { python-version: 3.9 }
+      with:
+        python-version: '3.10'
     - name: Install
       run: |
         python -m pip install --upgrade pip

.github/workflows/melpazoid-zk-index.yml

@@ -11,9 +11,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@v1
-      with: { python-version: 3.9 }
+      with:
+        python-version: '3.10'
     - name: Install
       run: |
         python -m pip install --upgrade pip

.github/workflows/melpazoid-zk.yml

@@ -11,9 +11,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python 3.9
+    - name: Set up Python 3.10
       uses: actions/setup-python@v1
-      with: { python-version: 3.9 }
+      with:
+        python-version: '3.10'
     - name: Install
       run: |
         python -m pip install --upgrade pip