ci: move publishing to a separate action

.github/workflows/deno.yml

@@ -22,17 +22,4 @@ jobs:
         run: deno test
       - name: Check formatting
         run: deno fmt --check
-        if: ${{ !contains(matrix.os, 'windows') }}
-  publish:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      id-token: write
-    steps:
-      - uses: actions/checkout@v4
-      - name: Setup Deno
-        uses: denoland/setup-deno@v1
-        with:
-          deno-version: 1.x
-      - name: Publish package
-        run: deno publish
+        if: ${{ !contains(matrix.os, 'windows') }}

.github/workflows/publish.yml

@@ -0,0 +1,18 @@
+name: Publish to JSR
+
+on: [release]
+
+jobs:
+    publish:
+        runs-on: ubuntu-latest
+        permissions:
+          contents: read
+          id-token: write
+        steps:
+          - uses: actions/checkout@v4
+          - name: Setup Deno
+            uses: denoland/setup-deno@v1
+            with:
+              deno-version: 1.x
+          - name: Publish package
+            run: deno publish