Fix os versions in GH Actions (#107)

* Use fixed os versions (macos-14 not yet supported)

* Drop python 3.7 and add python 3.12 to test-latetst

Author: smithara

.github/workflows/main.yml

@@ -11,8 +11,8 @@ jobs:
     name: Format
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-python@v4
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
     - uses: pre-commit/[email protected]
       with:
         extra_args: --hook-stage manual --all-files
@@ -24,10 +24,10 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
-        runs-on: [ubuntu-latest, macos-latest, windows-latest]
+        runs-on: [ubuntu-22.04, macos-13, windows-2022]
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-python@v4
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install package

.github/workflows/test-latest.yml

@@ -13,11 +13,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         runs-on: [ubuntu-latest, macos-latest, windows-latest]
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-python@v4
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install package