Update GitHub Actions pins (#110)

Author: coadler

.github/workflows/publish.yaml

@@ -12,12 +12,12 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
 
       - name: Publish AUR package
-        uses: KSXGitHub/github-actions-deploy-aur@v2.5.0
+        uses: KSXGitHub/github-actions-deploy-aur@abe8ac26b51011c88be58c8809fd2ac674068ea5 # v4.1.2
         with:
           pkgname: code-server
           pkgbuild: ./PKGBUILD