Add GH Actions linter, fix reported issues

Author: max-arnold

.github/workflows/build.yml

@@ -42,7 +42,7 @@ jobs:
       - name: Get version slug
         id: slug
         run: |
-          echo "slug=$(git describe --tags --match 'v?.??' --always --dirty || echo v0.00)" >> $GITHUB_OUTPUT
+          echo "slug=$(git describe --tags --match 'v?.??' --always --dirty || echo v0.00)" >> "$GITHUB_OUTPUT"
 
       - name: Compile firmware
         uses: arduino/compile-sketches@v1
@@ -94,16 +94,15 @@ jobs:
           name: ${{ github.event.repository.name }}-${{ needs.build.outputs.slug }}
           path: artifact
       - name: Archive the build artifact
-        run: cd "artifact" && zip -9 -r "../${FILENAME}" *
+        run: cd "artifact" && zip -9 -r "../${FILENAME}" ./*
         env:
           FILENAME: ${{ github.event.repository.name }}-${{ needs.build.outputs.slug }}.zip
       - name: Create release
         env:
           GITHUB_TOKEN: ${{ github.token }}
           SLUG: ${{ needs.build.outputs.slug }}
         run: >-
-          cat artifact/ats-mini/CHANGELOG.md |
-          python -c 'import os,re,sys; t=sys.stdin.read(); r=re.search(f"""(^## {os.environ["SLUG"][1:].replace(".", "\\.")} .*?)(?=^## \\d|\\Z)""", t, re.MULTILINE | re.DOTALL); print(r.group(0) if r else "")' |
+          python -c 'import os,re; t=open("artifact/ats-mini/CHANGELOG.md").read(); r=re.search(f"""(^## {os.environ["SLUG"][1:].replace(".", "\\.")} .*?)(?=^## \\d|\\Z)""", t, re.MULTILINE | re.DOTALL); print(r.group(0) if r else "")' |
           gh release create "$SLUG" --repo '${{ github.repository }}' --notes-file -
       - name: Upload release artifact
         env:

.github/workflows/docs.yml

@@ -52,7 +52,7 @@ jobs:
     if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
     environment:
       name: github-pages
-      url: ${{ steps.artifact.outputs.page_url }}
+      url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
     needs: build
     permissions:

.pre-commit-config.yaml

@@ -1,11 +1,11 @@
 repos:
--   repo: https://github.com/pre-commit/pre-commit-hooks
+  - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v5.0.0
     hooks:
       - id: check-yaml
       - id: end-of-file-fixer
       - id: trailing-whitespace
--   repo: https://github.com/pre-commit/mirrors-clang-format
+  - repo: https://github.com/pre-commit/mirrors-clang-format
     rev: v20.1.0
     hooks:
       - id: clang-format
@@ -14,3 +14,7 @@ repos:
         args:
           - "--style={BasedOnStyle: llvm, ColumnLimit: 0}"
         exclude: ats-mini/patch_init.h
+  - repo: https://github.com/rhysd/actionlint
+    rev: v1.7.7
+    hooks:
+      - id: actionlint