Bump actions/setup-python from 2 to 3

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2 to 3.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v2...v3)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/deploy.yml

@@ -17,7 +17,7 @@ jobs:
         uses: tj-actions/[email protected]
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
         with:
           python-version: '3.6.x'
 

.github/workflows/lint.yml

@@ -15,7 +15,7 @@ jobs:
     steps:
       - uses: actions/[email protected]
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v3.0.0
+        uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.python-version }}
       - uses: actions/[email protected]

.github/workflows/migration-fixer.yml

@@ -15,7 +15,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
         with:
           python-version: '3.6.x'
 

.github/workflows/test.yml

@@ -30,7 +30,7 @@ jobs:
       - uses: actions/[email protected]
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.python-version }}