chore(build): Update minimum CI python version to 3.9. (#32)

Author: kinyoklion

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v4
@@ -46,7 +46,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/manual-publish.yml

@@ -21,7 +21,7 @@ jobs:
 
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.8
+          python-version: 3.9
 
       - name: Install poetry
         uses: abatilo/actions-poetry@7b6d33e44b4f08d7021a1dee3c044e9c253d6439

.github/workflows/release-please.yml

@@ -27,7 +27,7 @@ jobs:
       - uses: actions/setup-python@v5
         if: ${{ steps.release.outputs.releases_created == 'true' }}
         with:
-          python-version: 3.8
+          python-version: 3.9
 
       - name: Install poetry
         if: ${{ steps.release.outputs.releases_created == 'true' }}