Update couchbase tooling image

[r4rajat]

Change Overview

• Update couchbase tooling image in the couchbase blueprint.
• Update the pkg/app/couchbase.go for integration testing with respect to the latest couchbase release

Pull request type

Please check the type of change your PR introduces:

• 🚧 Work in Progress
• 🌈 Refactoring (no functional changes, no api changes)
• 🐹 Trivial/Minor
• 🐛 Bugfix
• 🌻 Feature
• 🗺️ Documentation
• 🤖 Test

Issues

• fixes [BUG] Tooling images in Couchbase example BPs are outdated #1592

Test Plan

• Update the values of SHORT_APPS variable from build/integration-test.sh from SHORT_APPS="^PostgreSQL$|^MySQL$|Elasticsearch|^MongoDB$|Maria|^MSSQL$" to SHORT_APPS="^Couchbase$"

• Install Minio
  $ bash build/minio.sh install_minio

• Run following command
  $ bash build/integration-test.sh short

Output:

Running integration tests:
~/go/src/github.com/kanisterio/kanister/pkg/testing ~/go/src/github.com/kanisterio/kanister
=== RUN   Test
{"File":"pkg/testing/integration_test.go","Function":"github.com/kanisterio/kanister/pkg/testing.(*IntegrationSuite).TestRun","Line":196,"app":"couchbase","level":"info","msg":"Running e2e integration test.","testName":"Couchbase.TestRun","time":"2022-08-12T13:51:11.422161807+05:30"}
{"File":"pkg/app/couchbase.go","Function":"github.com/kanisterio/kanister/pkg/app.(*CouchbaseDB).Install","Line":82,"app":"couchbase","level":"info","msg":"Installing couchbase operator and cluster helm chart.","time":"2022-08-12T13:51:11.450950415+05:30"}
.
.
.
{"ActionSet":"delete-test-actionset-mckwx-zzr4z","File":"pkg/controller/controller.go","Function":"github.com/kanisterio/kanister/pkg/controller.(*Controller).logAndSuccessEvent","Line":652,"level":"info","msg":"Updated ActionSet 'delete-test-actionset-mckwx-zzr4z' Status-\u003ecomplete","time":"2022-08-12T13:56:07.041087691+05:30"}
{"File":"pkg/app/couchbase.go","Function":"github.com/kanisterio/kanister/pkg/app.CouchbaseDB.Uninstall","Line":245,"app":"couchbase","level":"info","msg":"Uninstalling helm charts.","namespace":"couchbase-test","release":"couchbase-h8wqm","time":"2022-08-12T13:56:15.834441762+05:30"}
OK: 1 passed
--- PASS: Test (306.65s)
PASS

• 💪 Manual
• ⚡ Unit test
• 💚 E2E

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