ci: use GH_TOKEN in tag-latest, rename build commit prefix to ci-build:

Author: dezren39

.github/workflows/build.yml

@@ -31,7 +31,7 @@ jobs:
       # Prefer GH_TOKEN secret (allows triggering downstream workflows like tag-latest)
       # Fall back to GITHUB_TOKEN (won't trigger other workflows)
       TOKEN: ${{ secrets.GH_TOKEN || github.token }}
-      COMMIT_PREFIX: "build: "
+      COMMIT_PREFIX: "ci-build: "
 
     steps:
       # ── 1. Skip check: bail if the triggering commit is from this workflow ──

.github/workflows/tag-latest.yml

@@ -53,7 +53,7 @@ jobs:
 
       - name: Create dated release (marked as latest)
         env:
-          GH_TOKEN: ${{ github.token }}
+          GH_TOKEN: ${{ secrets.GH_TOKEN || github.token }}
         run: |
           gh release create "${{ steps.vars.outputs.dated_tag }}" \
             --title "${{ steps.vars.outputs.dated_tag }}" \
@@ -66,7 +66,7 @@ jobs:
 
       - name: Create/update latest release (not marked as latest)
         env:
-          GH_TOKEN: ${{ github.token }}
+          GH_TOKEN: ${{ secrets.GH_TOKEN || github.token }}
         run: |
           # Delete existing latest release if present
           gh release delete latest --yes 2>/dev/null || true