chore: add github action for prerelease workflow (#2660)

.github/workflows/prerelease.yaml

@@ -0,0 +1,55 @@
+on:
+  push:
+    branches:
+      - "prerelease/*"
+name: prerelease
+jobs:
+  prerelease:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Extract branch name
+        shell: bash
+        run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
+        id: extract_branch
+      - uses: google-github-actions/release-please-action@v3
+        with:
+          token: ${{ secrets.GH_PAT }}
+          pull-request-title-pattern: "chore: prerelease ${version}"
+          release-type: go
+          package-name: rudder-server
+          default-branch: ${{ steps.extract_branch.outputs.branch }}
+          changelog-types: '
+            [
+              {
+                "type": "feat",
+                "section": "Features",
+                "hidden": false
+              },
+              {
+                "type": "fix",
+                "section": "Bug Fixes",
+                "hidden": false
+              },
+              {
+                "type": "chore",
+                "section":"Miscellaneous",
+                "hidden": false},
+              {
+                "type": "refactor",
+                "section": "Miscellaneous",
+                "hidden": false
+              },
+              {
+                "type": "test",
+                "section": "Miscellaneous",
+                "hidden": false
+              },
+              {
+                "type": "doc",
+                "section": "Documentation",
+                "hidden": false
+              }
+            ]'
+          prerelease: true
+          release-as: ${{ steps.extract_branch.outputs.branch }}
+