build: import release workflow changes from main

.github/workflows/release-syncthing.yaml

@@ -19,7 +19,7 @@ jobs:
         with:
           fetch-depth: 0
           ref: ${{ github.ref }} # https://github.com/actions/checkout/issues/882
-          token: ${{ secrets.STRELEASE_GITHUB_TOKEN }}
+          token: ${{ secrets.ACTIONS_GITHUB_TOKEN }}
 
       - uses: actions/setup-go@v5
         with:
@@ -43,7 +43,7 @@ jobs:
         run: |
           go run ./script/relnotes.go --new-ver "$NEXT" --branch "$GITHUB_REF_NAME" --prev-ver "$PREV" > notes.md
         env:
-          GITHUB_TOKEN: ${{ secrets.STRELEASE_GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.ACTIONS_GITHUB_TOKEN }}
 
       - name: Create and push tag
         run: |
@@ -51,3 +51,10 @@ jobs:
           git config --global user.email 'release@syncthing.net'
           git tag -a -F notes.md --cleanup=whitespace "$NEXT"
           git push origin "$NEXT"
+
+      - name: Trigger the build
+        uses: benc-uk/workflow-dispatch@v1
+        with:
+          workflow: build-syncthing.yaml
+          ref: refs/tags/${{ env.NEXT }}
+          token: ${{ secrets.ACTIONS_GITHUB_TOKEN }}