ci: Upgrade poetry action and poetry version (#488)

Upgrade poetry action (Gr1N/setup-poetry from v4 to v8) and poetry version (1.0.10 to 1.3.2)

Author: jamesholland-uk

.github/workflows/ci.yml

@@ -28,9 +28,9 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Poetry
-        uses: Gr1N/setup-poetry@v4
+        uses: Gr1N/setup-poetry@v8
         with:
-          poetry-version: 1.0.10
+          poetry-version: 1.3.2
 
       - name: Get poetry cache directory
         id: poetry-cache
@@ -64,9 +64,9 @@ jobs:
           python-version: 3.7
 
       - name: Install Poetry
-        uses: Gr1N/setup-poetry@v4
+        uses: Gr1N/setup-poetry@v8
         with:
-          poetry-version: 1.0.10
+          poetry-version: 1.3.2
 
       - name: Get poetry cache directory
         id: poetry-cache
@@ -101,9 +101,9 @@ jobs:
           python-version: 3.7
 
       - name: Install Poetry
-        uses: Gr1N/setup-poetry@v4
+        uses: Gr1N/setup-poetry@v8
         with:
-          poetry-version: 1.0.10
+          poetry-version: 1.3.2
 
       - name: Get poetry cache directory
         id: poetry-cache