use python 3.8 in CI

Author: bohendo

.github/workflows/black.yml

@@ -19,10 +19,10 @@ jobs:
       - name: Checkout Code
         uses: actions/checkout@v2
 
-      - name: Set up Python 3.6
-        uses: actions/setup-python@v2
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v3
         with:
-          python-version: 3.6
+          python-version: 3.8
 
       - name: Install dependencies
         run: |

.github/workflows/ci.yml

@@ -48,10 +48,10 @@ jobs:
       uses: actions/setup-node@v2
       with:
         node-version: ${{ steps.node.outputs.version }}
-    - name: Set up Python 3.6
+    - name: Set up Python 3.8
       uses: actions/setup-python@v3
       with:
-        python-version: 3.6
+        python-version: 3.8
     - name: Install dependencies
       run: |
         pip install "solc-select>=v1.0.0b1"

.github/workflows/darglint.yml

@@ -14,10 +14,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
-    - name: Set up Python 3.6
-      uses: actions/setup-python@v1
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v3
       with:
-        python-version: 3.6
+        python-version: 3.8
     - name: Run Tests
       run: |
         bash scripts/ci_darglint.sh

.github/workflows/etherscan.yml

@@ -26,10 +26,10 @@ jobs:
       run: |
         echo 'C:\msys64\mingw64\bin' >> "$GITHUB_PATH"
         echo 'C:\msys64\usr\bin' >> "$GITHUB_PATH"
-    - name: Set up Python 3.6
+    - name: Set up Python 3.8
       uses: actions/setup-python@v3
       with:
-        python-version: 3.6
+        python-version: 3.8
     - name: Install dependencies
       run: |
         pip install "solc-select>=v1.0.0b1"

.github/workflows/linter.yml

@@ -19,10 +19,10 @@ jobs:
       - name: Checkout Code
         uses: actions/checkout@v2
 
-      - name: Set up Python 3.6
-        uses: actions/setup-python@v2
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v3
         with:
-          python-version: 3.6
+          python-version: 3.8
 
       - name: Install dependencies
         run: |

.github/workflows/mypy.yml

@@ -19,10 +19,10 @@ jobs:
       - name: Checkout Code
         uses: actions/checkout@v2
 
-      - name: Set up Python 3.6
-        uses: actions/setup-python@v2
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v3
         with:
-          python-version: 3.6
+          python-version: 3.8
 
       - name: Install dependencies
         run: |

.github/workflows/pylint.yml

@@ -19,10 +19,10 @@ jobs:
       - name: Checkout Code
         uses: actions/checkout@v2
 
-      - name: Set up Python 3.6
-        uses: actions/setup-python@v2
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v3
         with:
-          python-version: 3.6
+          python-version: 3.8
 
       - name: Install dependencies
         run: |