Allow graphql-core 3.2.6 on stable branch (#547)

* Bump graphql-core on stable to 3.2.6
* Using Ubuntu 24.04 for GitHub actions
* Remove obsolete 3.7 Python version from GihHub actions

Author: leszekhanusz

.github/workflows/deploy.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
     - uses: actions/checkout@v3

.github/workflows/lint.yml

@@ -4,7 +4,7 @@ on: [push, pull_request]
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
     - uses: actions/checkout@v3

.github/workflows/tests.yml

@@ -8,11 +8,9 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "pypy3.8"]
-        os: [ubuntu-20.04, windows-latest]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "pypy3.8"]
+        os: [ubuntu-24.04, windows-latest]
         exclude:
-          - os: windows-latest
-            python-version: "3.7"
           - os: windows-latest
             python-version: "3.9"
           - os: windows-latest
@@ -40,7 +38,7 @@ jobs:
           TOXENV: ${{ matrix.toxenv }}
 
   single_extra:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
       matrix:
@@ -60,7 +58,7 @@ jobs:
         run: pytest tests --${{ matrix.dependency }}-only
 
   coverage:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
 
     steps:
       - uses: actions/checkout@v3

setup.py

@@ -3,7 +3,7 @@
 from setuptools import setup, find_packages
 
 install_requires = [
-    "graphql-core>=3.2,<3.2.5",
+    "graphql-core>=3.2,<3.2.7",
     "yarl>=1.6,<2.0",
     "backoff>=1.11.1,<3.0",
     "anyio>=3.0,<5",