[8.x] Bump backport to v9.6.6 (#211424) (#211483)

# Backport

This will backport the following commits from `main` to `8.x`:
- [Bump backport to v9.6.6
(#211424)](#211424)

<!--- Backport version: 9.6.5 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sorenlouv/backport)

<!--BACKPORT [{"author":{"name":"Søren
Louv-Jansen","email":"soren.louv@elastic.co"},"sourceCommit":{"committedDate":"2025-02-17T16:08:53Z","message":"Bump
backport to v9.6.6 (#211424)\n\nThis bumps backport to 9.6.6. Most
notably fixes an issue with\nHandlebars templates and stripping markdown
comments:\nhttps://github.com/sorenlouv/backport/compare/v9.6.4...v9.6.6\n\nAlso
bumped
here:\nhttps://github.com/elastic/kibana-github-actions/pull/55","sha":"a91e4fcd088dcdf93775bc9d9d9d77e3eec8ea59","branchLabelMapping":{"^v9.1.0$":"main","^v8.19.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["release_note:skip","backport:all-open","v9.1.0"],"title":"Bump
backport to
v9.6.6","number":211424,"url":"https://github.com/elastic/kibana/pull/211424","mergeCommit":{"message":"Bump
backport to v9.6.6 (#211424)\n\nThis bumps backport to 9.6.6. Most
notably fixes an issue with\nHandlebars templates and stripping markdown
comments:\nhttps://github.com/sorenlouv/backport/compare/v9.6.4...v9.6.6\n\nAlso
bumped
here:\nhttps://github.com/elastic/kibana-github-actions/pull/55","sha":"a91e4fcd088dcdf93775bc9d9d9d77e3eec8ea59"}},"sourceBranch":"main","suggestedTargetBranches":[],"targetPullRequestStates":[{"branch":"main","label":"v9.1.0","branchLabelMappingKey":"^v9.1.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/211424","number":211424,"mergeCommit":{"message":"Bump
backport to v9.6.6 (#211424)\n\nThis bumps backport to 9.6.6. Most
notably fixes an issue with\nHandlebars templates and stripping markdown
comments:\nhttps://github.com/sorenlouv/backport/compare/v9.6.4...v9.6.6\n\nAlso
bumped
here:\nhttps://github.com/elastic/kibana-github-actions/pull/55","sha":"a91e4fcd088dcdf93775bc9d9d9d77e3eec8ea59"}}]}]
BACKPORT-->

Co-authored-by: Søren Louv-Jansen <soren.louv@elastic.co>

package.json

@@ -1715,7 +1715,7 @@
     "babel-plugin-transform-react-remove-prop-types": "^0.4.24",
     "babel-plugin-transform-require-default": "^0.1.7",
     "babel-plugin-transform-typescript-metadata": "^0.3.2",
-    "backport": "^9.6.4",
+    "backport": "^9.6.6",
     "blob-polyfill": "^7.0.20220408",
     "buildkite-test-collector": "^1.7.0",
     "callsites": "^3.1.0",

yarn.lock

@@ -14463,10 +14463,10 @@ babel-runtime@6.x:
     core-js "^2.4.0"
     regenerator-runtime "^0.11.0"
 
-backport@^9.6.4:
-  version "9.6.4"
-  resolved "https://registry.yarnpkg.com/backport/-/backport-9.6.4.tgz#ea45ab97f32ebca1564269f92a6fc56eda703cdc"
-  integrity sha512-cTaItWSGoO33vOD/br/Di2KFesgHyE6UWuc0GN0IiFk13UqEadeURq3UOQptARyQC3Nz56Us5QYNJ3E5L61zYg==
+backport@^9.6.6:
+  version "9.6.6"
+  resolved "https://registry.yarnpkg.com/backport/-/backport-9.6.6.tgz#ab7d0a1720eb5cd3ccef51cd79f1872bb9ed409c"
+  integrity sha512-X/2vWZNZP5wvbfWaxtLsXSbnOxANgoCh84IZavTS2X2/6X/si3cpUL0ky1fh+70bK5O8PI+3Fopp5srmeqHB1g==
   dependencies:
     "@octokit/rest" "^19.0.7"
     axios "^1.6.2"