Remove Python 3.9 support

Author: Aniketsy

.github/workflows/pypi-build-artifacts.yml

@@ -42,7 +42,6 @@ jobs:
       - uses: actions/setup-python@v6
         with:
           python-version: |
-            3.9
             3.10
             3.11
             3.12
@@ -69,7 +68,7 @@ jobs:
         env:
           # Ignore 32 bit architectures
           CIBW_ARCHS: "auto64"
-          CIBW_PROJECT_REQUIRES_PYTHON: ">=3.9,<3.13"
+          CIBW_PROJECT_REQUIRES_PYTHON: ">=3.10"
           CIBW_TEST_REQUIRES: "pytest==7.4.2 moto==5.0.1"
           CIBW_TEST_COMMAND: "pytest {project}/tests/avro/test_decoder.py"
           # Ignore tests for pypy since not all dependencies are compiled for it

.github/workflows/svn-build-artifacts.yml

@@ -42,7 +42,6 @@ jobs:
       - uses: actions/setup-python@v6
         with:
           python-version: |
-            3.9
             3.10
             3.11
             3.12
@@ -64,7 +63,7 @@ jobs:
         env:
           # Ignore 32 bit architectures
           CIBW_ARCHS: "auto64"
-          CIBW_PROJECT_REQUIRES_PYTHON: ">=3.9,<3.13"
+          CIBW_PROJECT_REQUIRES_PYTHON: ">=3.10"
           CIBW_TEST_REQUIRES: "pytest==7.4.2 moto==5.0.1"
           CIBW_TEST_COMMAND: "pytest {project}/tests/avro/test_decoder.py"
           # Ignore tests for pypy since not all dependencies are compiled for it

mkdocs/docs/contributing.md

@@ -234,7 +234,7 @@ Deprecated in 0.1.0, will be removed in 0.2.0. The old_property is deprecated. P
 
 For the type annotation the types from the `Typing` package are used.
 
-PyIceberg offers support from Python 3.9 onwards, we can't use the [type hints from the standard collections](https://peps.python.org/pep-0585/).
+PyIceberg offers support from Python 3.10 onwards, we can't use the [type hints from the standard collections](https://peps.python.org/pep-0585/).
 
 ### Third party libraries