fix(example): correct docs when metrics got result empty (#2309)

* chore(deps): bump github.com/newrelic/newrelic-client-go (#2267)

Bumps [github.com/newrelic/newrelic-client-go](https://github.com/newrelic/newrelic-client-go) from 0.86.5 to 1.0.0.
- [Release notes](https://github.com/newrelic/newrelic-client-go/releases)
- [Changelog](https://github.com/newrelic/newrelic-client-go/blob/main/CHANGELOG.md)
- [Commits](newrelic/newrelic-client-go@v0.86.5...v1.0.0)

---
updated-dependencies:
- dependency-name: github.com/newrelic/newrelic-client-go
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Signed-off-by: hungran <[email protected]>

* fix: correct docs when metrics got result empty

Signed-off-by: hungran <[email protected]>

Signed-off-by: dependabot[bot] <[email protected]>
Signed-off-by: hungran <[email protected]>
Signed-off-by: zachaller <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: zachaller <[email protected]>

docs/features/analysis.md

@@ -1061,7 +1061,7 @@ Here are two examples where a metric result of empty array is considered success
 apiVersion: argoproj.io/v1alpha1
 kind: AnalysisRun
   ...
-    successCondition: len(result) == 0 || result >= 0.95
+    successCondition: len(result) == 0 || result[0] >= 0.95
 status:
   metricResults:
   - count: 1
@@ -1081,7 +1081,7 @@ status:
 apiVersion: argoproj.io/v1alpha1
 kind: AnalysisRun
   ...
-    successCondition: len(result) > 0 && result >= 0.95
+    successCondition: len(result) > 0 && result[0] >= 0.95
 status:
   metricResults:
   - count: 1