Bump actions/setup-python from 2 to 3 (#2908)

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] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Cooper Lees <me@cooperlees.com>

.github/workflows/diff_shades.yml

@@ -46,7 +46,7 @@ jobs:
         with:
           fetch-depth: 0
 
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v3
 
       - name: Install diff-shades and support dependencies
         run: |

.github/workflows/diff_shades_comment.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v3
 
       - name: Install support dependencies
         run: |

.github/workflows/doc.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Set up latest Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
 
       - name: Install dependencies
         run: |

.github/workflows/fuzz.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.python-version }}
 

.github/workflows/lint.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
 
       - name: Install dependencies
         run: |

.github/workflows/pypi_upload.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
 
       - name: Install latest pip, build, twine
         run: |

.github/workflows/test.yml

@@ -31,7 +31,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.python-version }}
 

.github/workflows/upload_binary.yml

@@ -29,7 +29,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Set up latest Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
         with:
           python-version: "*"
 

.github/workflows/uvloop_test.yml

@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
 
       - name: Install latest pip
         run: |