[WIP] Update GitHub Actions workflow for improved CI (#94)

* Initial plan

* Update GitHub Actions workflow with modern versions and improved logic

Co-authored-by: mingrammer <6178510+mingrammer@users.noreply.github.com>

* Improve token security and use specific Go version

Co-authored-by: mingrammer <6178510+mingrammer@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: mingrammer <6178510+mingrammer@users.noreply.github.com>

Author: Copilot

.github/workflows/main.yml

@@ -3,28 +3,41 @@ name: update
 on:
   schedule:
     - cron: "0 0 * * SUN"
+  workflow_dispatch:
 
 jobs:
   build:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
     steps:
-    - uses: actions/checkout@v1
-      with:
-        ref: "master"
-    - uses: actions/setup-go@v1
-      with:
-        go-version: "1.13"
-    - run: |
-        echo ${{ secrets.GITHUB_TOKEN }} >> access_token.txt
-        go run list2md.go
-    - name: update the list
-      env:
-        GITHUB_USER: "mingrammer"
-        GITHUB_EMAIL: "mingrammer@gmail.com"
-      run: |
-        git config user.name "${GITHUB_USER}"
-        git config user.email "${GITHUB_EMAIL}"
-        git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${GITHUB_REPOSITORY}.git
-        git checkout master
-        git commit -am "chore: auto update"
-        git push -u origin master
+      - uses: actions/checkout@v4
+        with:
+          ref: "master"
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.21.x"
+
+      - name: Create access token file
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: echo "$GITHUB_TOKEN" > access_token.txt
+
+      - name: Run update script
+        run: go run list2md.go
+
+      - name: Update the list
+        env:
+          GITHUB_USER: "mingrammer"
+          GITHUB_EMAIL: "mingrammer@gmail.com"
+        run: |
+          git config user.name "${GITHUB_USER}"
+          git config user.email "${GITHUB_EMAIL}"
+          git add -A
+          if git diff --staged --quiet; then
+            echo "No changes to commit"
+            exit 0
+          fi
+          git commit -m "chore: auto update"
+          git push