Update E2E CI to use the kpt image version from go.mod (#407)

Fixes a couple of tests to align with the latest version

Signed-off-by: aravind.est <aravindhan.a@est.tech>

Author: aravindtga

.github/workflows/porch-e2e-ci-jobs.yaml

@@ -1,4 +1,4 @@
-# Copyright 2025 The Nephio Authors
+# Copyright 2025-2026 The Nephio Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -113,11 +113,20 @@ jobs:
         with:
           go-version-file: go.mod
           cache: true
+      - name: Get kpt version from go.mod
+        id: kpt-version
+        run: |
+          KPT_VERSION=$(grep 'github.com/kptdev/kpt' go.mod | awk '{print $2}')
+          if [ -z "$KPT_VERSION" ]; then
+            echo "Warning: Could not extract kpt version from go.mod, using fallback"
+            KPT_VERSION="v1.0.0-beta.59.2"
+          fi
+          echo "version=${KPT_VERSION}" >> $GITHUB_OUTPUT
       - name: Install kpt
         uses: jaxxstorm/action-install-gh-release@v2.1.0
         with:
           repo: kptdev/kpt
-          tag: v1.0.0-beta.59
+          tag: ${{ steps.kpt-version.outputs.version }}
           chmod: 0755
       - name: Install Kind
         uses: helm/kind-action@v1

test/e2e/cli/testdata/rpkg-push/config.yaml

@@ -134,8 +134,7 @@ commands:
       - put-value=Updated Test Package Description
     stderr: |
       [RUNNING] "ghcr.io/kptdev/krm-functions-catalog/search-replace:v0.2.0" on 1 resource(s)
-        Results:
-          [info] info.description: Mutated field value to "Updated Test Package Description"
+      [Results]: [info] info.description: Mutated field value to "Updated Test Package Description"
   - args:
       - porchctl
       - rpkg

test/e2e/cli/testdata/rpkg-unready/config.yaml

@@ -38,7 +38,7 @@ commands:
       - --
       - by-path=status.conditions[0].status
       - put-value=True
-    stderr: "[RUNNING] \"ghcr.io/kptdev/krm-functions-catalog/search-replace:v0.2.0\" on 1 resource(s)\n  Results:\n    [info] status.conditions[0].status: Mutated field value to \"\\\"True\\\"\"\n"
+    stderr: "[RUNNING] \"ghcr.io/kptdev/krm-functions-catalog/search-replace:v0.2.0\" on 1 resource(s)\n[Results]: [info] status.conditions[0].status: Mutated field value to \"\\\"True\\\"\"\n"
   - args:
       - porchctl
       - rpkg