chore: removed python 3.8 from pyproject.toml and from all python ver…

…sions in workflow matrix

.github/workflows/release.yml

@@ -74,7 +74,7 @@ jobs:
     needs: upload
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
         os:  [ ubuntu-latest, windows-latest ]
     steps:
       - name: Set up Python ${{ matrix.python-version }}

.github/workflows/run_tests_develop.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
         os:  [ ubuntu-latest, windows-latest ]
     steps:
       - uses: actions/checkout@v4
@@ -55,7 +55,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
         os:  [ ubuntu-latest, windows-latest ]
     steps:
       - uses: actions/checkout@v4
@@ -140,7 +140,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
         os:  [ ubuntu-latest, windows-latest ]
     steps:
       - uses: actions/checkout@v4

.github/workflows/run_tests_master.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
         os:  [ ubuntu-latest, windows-latest ]
     steps:
       - uses: actions/checkout@v4
@@ -77,7 +77,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
         os:  [ ubuntu-latest, windows-latest ]
     steps:
       - uses: actions/checkout@v4
@@ -104,7 +104,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
         os:  [ ubuntu-latest, windows-latest ]
     steps:
       - uses: actions/checkout@v4

pyproject.toml

@@ -13,7 +13,7 @@ authors=[
 description = "A pipeflow calculation tool that complements pandapower in the simulation of multi energy grids"
 readme = "README.md"
 license = { file = "LICENSE" }
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Environment :: Console",
@@ -26,7 +26,6 @@ classifiers = [
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
     # Add the specific Python versions supported here, e.g.:
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",