[8.17] (backport #8320) ci: update all n1-standard-8 type runners to n2-standard-8 (#8322)

* ci: update all n1-standard-8 type runners to n2-standard-8 (#8320)

(cherry picked from commit 349cbc7)

# Conflicts:
#	.buildkite/pipeline.elastic-agent-helm-charts.yml

* fix: remove irrelevant files

---------

Co-authored-by: Panos Koutsovasilis <[email protected]>

Author: mergify[bot]

.buildkite/bk.integration.pipeline.yml

@@ -46,7 +46,7 @@ steps:
           - build/diagnostics/**
         agents:
           provider: "gcp"
-          machineType: "n1-standard-8"
+          machineType: "n2-standard-8"
           image: "${IMAGE_WIN_2022}"
         retry:
           automatic:
@@ -67,7 +67,7 @@ steps:
             limit: 1
         agents:
           provider: "gcp"
-          machineType: "n1-standard-8"
+          machineType: "n2-standard-8"
           image: "${IMAGE_WIN_2025}"
       - label: "Ubuntu:2404:amd64:sudo"
         depends_on: packaging-ubuntu-x86-64
@@ -84,7 +84,7 @@ steps:
             limit: 1
         agents:
           provider: "gcp"
-          machineType: "n1-standard-8"
+          machineType: "n2-standard-8"
           image: "${IMAGE_UBUNTU_2404_X86_64}"
 
   - group: "Stateful: Windows"
@@ -103,7 +103,7 @@ steps:
           - build/diagnostics/**
         agents:
           provider: "gcp"
-          machineType: "n1-standard-8"
+          machineType: "n2-standard-8"
           image: "${IMAGE_WIN_2022}"
         retry:
           automatic:
@@ -128,7 +128,7 @@ steps:
           - build/diagnostics/**
         agents:
           provider: "gcp"
-          machineType: "n1-standard-8"
+          machineType: "n2-standard-8"
           image: "${IMAGE_WIN_2022}"
         retry:
           automatic:
@@ -147,7 +147,7 @@ steps:
           - build/diagnostics/**
         agents:
           provider: "gcp"
-          machineType: "n1-standard-8"
+          machineType: "n2-standard-8"
           image: "${IMAGE_WIN_2025}"
         retry:
           automatic:
@@ -176,7 +176,7 @@ steps:
             limit: 1
         agents:
           provider: "gcp"
-          machineType: "n1-standard-8"
+          machineType: "n2-standard-8"
           image: "${IMAGE_WIN_2025}"
         matrix:
           - default
@@ -199,7 +199,7 @@ steps:
             limit: 1
         agents:
           provider: "gcp"
-          machineType: "n1-standard-8"
+          machineType: "n2-standard-8"
           image: "${IMAGE_UBUNTU_2404_X86_64}"
         matrix:
           - default
@@ -219,7 +219,7 @@ steps:
             limit: 1
         agents:
           provider: "gcp"
-          machineType: "n1-standard-8"
+          machineType: "n2-standard-8"
           image: "${IMAGE_UBUNTU_2404_X86_64}"
         matrix:
           - default
@@ -306,7 +306,7 @@ steps:
             limit: 1
         agents:
           provider: "gcp"
-          machineType: "n1-standard-8"
+          machineType: "n2-standard-8"
           image: "${IMAGE_DEBIAN_12}"
         matrix:
           - default
@@ -326,7 +326,7 @@ steps:
             limit: 1
         agents:
           provider: "gcp"
-          machineType: "n1-standard-8"
+          machineType: "n2-standard-8"
           image: "${IMAGE_DEBIAN_12}"
         matrix:
           - default
@@ -364,7 +364,7 @@ steps:
             limit: 1
         agents:
           provider: "gcp"
-          machineType: "n1-standard-8"
+          machineType: "n2-standard-8"
           image: "${IMAGE_RHEL_8}"
 
   - group: "Kubernetes"

.buildkite/pipeline.integration-test-matrix.yml

@@ -12,7 +12,7 @@ steps:
       - build/distributions/**
     agents:
       provider: "gcp"
-      machineType: "n1-standard-8"
+      machineType: "n2-standard-8"
 
   - label: "Integration test matrix"
     key: "integration-tests-matrix"
@@ -26,4 +26,4 @@ steps:
       - "build/diagnostics/*"
     agents:
       provider: "gcp"
-      machineType: "n1-standard-8"
+      machineType: "n2-standard-8"