Allow package to be installed with more recent Python versions

This also bumps the Python versions used in CI to current versions.

.github/workflows/main.yml

@@ -2,9 +2,9 @@ name: CI
 
 on:
   push:
-    branches: [master]
+    branches: [main]
   pull_request:
-    branches: [master]
+    branches: [main]
   workflow_dispatch:
     inputs: {}
 
@@ -14,9 +14,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.11", "3.12"]
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checking out repo
@@ -45,7 +45,7 @@ jobs:
           path: ".coverage.*"
 
   coverage:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     needs: build
     steps:
     - name: Check out the repository
@@ -54,7 +54,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
-        python-version: "3.8"
+        python-version: "3.12"
 
     - name: Install and upgrade dependencies
       run: |

setup.py

@@ -8,7 +8,6 @@
 setup(name="pipelinewise-singer-python",
       version='2.0.1',
       description="Singer.io utility library - PipelineWise compatible",
-      python_requires=">=3.7.0, <3.11",
       long_description=long_description,
       long_description_content_type="text/markdown",
       author="TransferWise",