Use token input option instead of environment variable

Author: taiki-e

.github/workflows/pr.yml

@@ -15,5 +15,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: taiki-e/github-actions/update-dependabot-pr@main
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/release.yml

@@ -36,8 +36,7 @@ jobs:
           changelog: CHANGELOG.md
           title: $version
           branch: main
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.GITHUB_TOKEN }}
       - run: cargo publish
         env:
           CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}