Update krew-index on release tag

Fixes #904

Signed-off-by: Tom Pantelis <[email protected]>

.github/workflows/post-release.yml

@@ -0,0 +1,16 @@
+---
+name: Post Release
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  update-krew:
+    name: Update krew-index
+    if: github.repository_owner == 'submariner-io'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Update new version in krew-index
+        uses: rajatjindal/[email protected]

.github/workflows/release.yml

@@ -37,6 +37,3 @@ jobs:
           RELEASE_TOKEN: ${{ secrets.RELEASE_TOKEN }}
           GITHUB_JOB_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}/jobs/${{ github.job }}
         run: make do-release
-
-      - name: Update new version in krew-index
-        uses: rajatjindal/[email protected]