chore(ci): fix snapshot versioning

.github/workflows/snapshot.yml

@@ -49,12 +49,25 @@ jobs:
       - name: Build packages
         run: pnpm run build:packages
 
-      - name: Publish to npm (ignore GitHub)
+      - name: Add snapshot changeset (ensure at least has a changeset)
+        run: |
+          cat << EOF > ".changeset/snap-release-changeset.md"
+            ---
+            "@rgbpp-sdk/btc": patch
+            ---
+            Add temp changeset for snapshot releases
+          EOF
+
+      - name: Version packages to "0.0.0-snap-{timestamp}"
+        run: npx changeset version --snapshot snap
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Publish to npm
         id: changesets
         uses: changesets/action@v1
         with:
-          version: npx changeset version --snapshot snap
-          publish: npx changeset publish --snapshot --tag snap
+          publish: npx changeset publish --no-git-tag --snapshot --tag snap
           createGithubReleases: false
         env:
           NPM_TOKEN: ${{ secrets.NPM_TOKEN }}