Bump newest python version in GHA workflows to 3.10 (#1380)

Summary:
Pyro with 1.8.2 now properly supports python 3.10, and so should we. This is to ensure that the CI tests run on both the min and max supported versions.

Pull Request resolved: #1380

Reviewed By: saitcakmak

Differential Revision: D39297200

Pulled By: Balandat

fbshipit-source-id: 64687cc7c5ede8ac3912fd54032dd0c1dbf34119

Author: Balandat

.github/workflows/deploy_on_release.yml

@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        python-version: ["3.8", "3.9"]
+        python-version: ["3.8", "3.10"]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}

.github/workflows/nightly.yml

@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        python-version: ["3.8", "3.9"]
+        python-version: ["3.8", "3.10"]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        python-version: ["3.8", "3.9"]
+        python-version: ["3.8", "3.10"]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
@@ -44,7 +44,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        python-version: ["3.8", "3.9"]
+        python-version: ["3.8", "3.10"]
     steps:
     - uses: actions/checkout@v2
     - uses: conda-incubator/setup-miniconda@v2

.github/workflows/test_stable.yml

@@ -12,7 +12,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        python-version: ["3.8", "3.9"]
+        python-version: ["3.8", "3.10"]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        python-version: ["3.8", "3.9"]
+        python-version: ["3.8", "3.10"]
     steps:
     - uses: actions/checkout@v2
     - uses: conda-incubator/setup-miniconda@v2
@@ -62,7 +62,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "macos-latest"]
-        python-version: ["3.8", "3.9"]
+        python-version: ["3.8", "3.10"]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}