Bump actions/setup-python from 2 to 4

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2 to 4.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v2...v4)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/autoupdate-pre-commit-config.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
       - uses: actions/cache@v2.1.6
         with:
           path: ~/.cache/pre-commit

.github/workflows/main.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v4
       - name: Locally install interrogate
         run: python -m pip install .
       - name: Run pre-commit
@@ -34,7 +34,7 @@ jobs:
         python-version: ["3.6", "3.7", "3.8", "3.9", "3.10.0-rc.2"]
     steps:
       - uses: "actions/checkout@v2"
-      - uses: "actions/setup-python@v2"
+      - uses: "actions/setup-python@v4"
         with:
           python-version: "${{ matrix.python-version }}"
       - name: "Install dependencies"
@@ -58,7 +58,7 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
       - uses: "actions/checkout@v2"
-      - uses: "actions/setup-python@v2"
+      - uses: "actions/setup-python@v4"
         with:
           python-version: "3.8"
       - name: "Install pep517 and twine"
@@ -78,7 +78,7 @@ jobs:
     runs-on: "${{ matrix.os }}"
     steps:
       - uses: "actions/checkout@v2"
-      - uses: "actions/setup-python@v2"
+      - uses: "actions/setup-python@v4"
         with:
           python-version: "3.8"
       - name: "Install in dev mode"

.github/workflows/sanity.yml

@@ -21,7 +21,7 @@ jobs:
         python-version: ["3.6", "3.7", "3.8", "3.9", "3.10.0-rc.2"]
     steps:
       - uses: "actions/checkout@v2"
-      - uses: "actions/setup-python@v2"
+      - uses: "actions/setup-python@v4"
         with:
           python-version: "${{ matrix.python-version }}"
       - name: "Install dependencies"
@@ -39,7 +39,7 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
       - uses: "actions/checkout@v2"
-      - uses: "actions/setup-python@v2"
+      - uses: "actions/setup-python@v4"
         with:
           python-version: "3.8"
       - name: "Install pep517 and twine"
@@ -56,7 +56,7 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
       - uses: "actions/checkout@v2"
-      - uses: "actions/setup-python@v2"
+      - uses: "actions/setup-python@v4"
         with:
           python-version: "3.8"
       - name: "Install in dev mode"

.github/workflows/windows.yml

@@ -18,7 +18,7 @@ jobs:
         python-version: ["3.6", "3.7", "3.8", "3.9", "3.10.0-rc.2"]
     steps:
       - uses: "actions/checkout@v2"
-      - uses: "actions/setup-python@v2"
+      - uses: "actions/setup-python@v4"
         with:
           python-version: "${{ matrix.python-version }}"
       - name: "Install dependencies"