Increate BK Agent Resources for Ind Agent Step (#4575) (#4600)

* Increate BK Agent Resources for Ind Agent Step

* empty commit to redo testing

* empty commit to redo testing

* empty commit to redo testing

* empty commit to redo testing

* empty commit to redo testing

* empty commit to redo testing

(cherry picked from commit 506b695)

Co-authored-by: Doug W <55553826+dwhyrock@users.noreply.github.com>

Author: mergify[bot]

.buildkite/pipeline.elastic-agent-package.yml

@@ -134,6 +134,8 @@ steps:
     depends_on: package
     agents:
       provider: "gcp"
+      machineType: "n2-standard-8"
+      diskSizeGb: 250
     env:
       DRA_PROJECT_ID: "elastic-agent-package"
       DRA_PROJECT_ARTIFACT_ID: "agent-package"