Fix linting warnings and errors

Author: elopez

.github/dependabot.yml

@@ -1,3 +1,4 @@
+---
 version: 2
 updates:
     - package-ecosystem: "github-actions"

.github/workflows/ci.yml

@@ -39,10 +39,10 @@ jobs:
       id: node
       shell: bash
       run: |
-        if [ ${{ matrix.type }} = etherlime ]; then
-          echo 'version=10.17.0' >> $GITHUB_OUTPUT
+        if [ "${{ matrix.type }}" = "etherlime" ]; then
+          echo 'version=10.17.0' >> "$GITHUB_OUTPUT"
         else
-          echo 'version=lts/*' >> $GITHUB_OUTPUT
+          echo 'version=lts/*' >> "$GITHUB_OUTPUT"
         fi
     - name: Set up Node
       uses: actions/setup-node@v3

.github/workflows/pytest.yml

@@ -1,3 +1,4 @@
+---
 name: Pytest
 
 defaults:
@@ -14,7 +15,7 @@ on:
     branches: [main, dev]
   schedule:
     # run CI every day even if no PRs/merges occur
-    - cron:  '0 12 * * *'
+    - cron: '0 12 * * *'
 
 jobs:
   tests:
@@ -35,4 +36,4 @@ jobs:
         pip install solc-select
     - name: Run Tests
       run: |
-        pytest tests/test_metadata.py
+        pytest tests/test_metadata.py