ci: separate release workflow from publish

Author: wI2L

.github/workflows/publish.yaml

@@ -0,0 +1,15 @@
+name: publish
+on:
+  release:
+    types:
+      - published
+jobs:
+  krew:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Update new version of plugin in krew-index
+        uses: rajatjindal/[email protected]

.github/workflows/release.yaml

@@ -20,6 +20,4 @@ jobs:
       - name: Run GoReleaser
         run: make release
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      - name: Update new version of plugin in krew-index
-        uses: rajatjindal/[email protected]
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}