Drop support for Python 3.8, fix integration test (#328)

* Drop 3.8

* Update CHANGELOG.md

* Updated test

.github/workflows/format.yml

@@ -14,7 +14,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.8
+          python-version: 3.9
 
       - name: Install dependencies
         run: pip install black

.github/workflows/tests.yml

@@ -11,7 +11,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [3.8, 3.9, '3.10', '3.11']
+        python-version: [3.9, '3.10', '3.11']
 
     steps:
       - name: Cancel Previous Runs

CHANGELOG.md

@@ -9,6 +9,9 @@
 
 ### Breaking changes 💔
 
+* Support for Python 3.8 has been removed.
+  [(#328)](https://github.com/PennyLaneAI/pennylane-qiskit/pull/328)
+
 ### Deprecations 👋
 
 ### Documentation 📝
@@ -19,6 +22,7 @@
 
 This release contains contributions from (in alphabetical order):
 
+Mudit Pandey,
 Jay Soni,
 
 ---

README.rst

@@ -53,7 +53,7 @@ Features
 Installation
 ============
 
-This plugin requires Python version 3.8 and above, as well as PennyLane and Qiskit.
+This plugin requires Python version 3.9 and above, as well as PennyLane and Qiskit.
 Installation of this plugin, as well as all dependencies, can be done using ``pip``:
 
 .. code-block:: bash

setup.py

@@ -80,7 +80,6 @@
     "Operating System :: Microsoft :: Windows",
     "Programming Language :: Python",
     'Programming Language :: Python :: 3',
-    'Programming Language :: Python :: 3.8',
     'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',

tests/test_runtime.py

@@ -56,7 +56,6 @@ def circuit(theta, phi):
         "kwargs",
         [
             {
-                "initial_layout": [0, 1],
                 "layout_method": "trivial",
                 "routing_method": "basic",
                 "translation_method": "translator",