Removed 3.6 and 3.7 from the build matrix

PiperOrigin-RevId: 600547133

Author: superbobry

.github/workflows/build.yml

@@ -17,7 +17,9 @@ jobs:
  - uses: actions/checkout@v2
  - uses: actions/setup-python@v2
  - name: Create sdist
- run: python setup.py sdist
+ run: |
+ python -m pip install --upgrade pip setuptools
+ python setup.py sdist
  shell: bash
  - name: Directory listing
  run: ls -lh dist/dm-tree*.tar.gz
@@ -32,7 +34,7 @@ jobs:
  strategy:
  matrix:
  os: [windows-latest, ubuntu-latest, macos-latest]
- python_tag: [cp37, cp38, cp39, cp310, cp311, cp312]
+ python_tag: [cp38, cp39, cp310, cp311, cp312]
  include:
  - os: windows-latest
  os_tag: win_amd64
@@ -126,7 +128,7 @@ jobs:
  strategy:
  matrix:
  os: [ubuntu-latest]
- python_tag: [cp36, cp37, cp38, cp39, cp310, cp311, cp312]
+ python_tag: [cp38, cp39, cp310, cp311, cp312]
  arch: [aarch64, ppc64le, s390x, i686]
  include:
  - arch: aarch64