Update CI

Author: ChrisLovering

.github/workflows/lint.yaml

@@ -20,9 +20,9 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Install Python Dependencies
-        uses: HassanAbouelela/actions/setup-python@setup-python_v1.3.2
+        uses: HassanAbouelela/actions/setup-python@setup-python_v1.6.0
         with:
-          dev: true
+          install_args: --no-root
           python_version: '3.9'
 
       # We will not run `flake8` here, as we will use a separate flake8
@@ -39,5 +39,6 @@ jobs:
       # Format used:
       # ::error file={filename},line={line},col={col}::{message}
       - name: Run flake8
-        run: "flake8 \
-        --format='::error file=%(path)s,line=%(row)d,col=%(col)d::[flake8] %(code)s: %(text)s'"
+        run: |
+          flake8 \
+          --format='::error file=%(path)s,line=%(row)d,col=%(col)d::[flake8] %(code)s: %(text)s'

pyproject.toml

@@ -4,6 +4,7 @@ version = "1.0.0"
 description = "A collection of modmail plugins for the Python Discord community."
 authors = ["Python Discord <[email protected]>"]
 license = "MIT"
+package-mode = false
 
 [tool.poetry.dependencies]
 python = "3.9.*"