Pin checkout and setup-python requirements (#30)

.github/workflows/hacs.yml

@@ -15,7 +15,7 @@ jobs:
     name: HACS Action
     runs-on: "ubuntu-latest"
     steps:
-      - uses: "actions/checkout@v3"
+      - uses: "actions/checkout@v3.0.0"
       - name: HACS Action
         uses: "hacs/action@main"
         with:

.github/workflows/hassfest.yml

@@ -4,11 +4,11 @@ on:
   push:
   pull_request:
   schedule:
-    - cron:  '0 0 * * *'
+    - cron: "0 0 * * *"
 
 jobs:
   validate:
     runs-on: "ubuntu-latest"
     steps:
-        - uses: "actions/checkout@v3"
-        - uses: "home-assistant/actions/hassfest@master"
+      - uses: "actions/checkout@v3.0.0"
+      - uses: "home-assistant/actions/hassfest@master"

.github/workflows/test.yml

@@ -19,11 +19,11 @@ jobs:
           - "3.10"
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v3.0.0
         with:
           fetch-depth: 2
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v3.0.0
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies