fix(deps): update dependency @roadiehq/backstage-plugin-buildkite to v2.1.5

Signed-off-by: Renovate Bot <bot@renovateapp.com>

yarn.lock

@@ -13117,8 +13117,8 @@ __metadata:
   linkType: hard
 
 "@roadiehq/backstage-plugin-buildkite@npm:^2.0.8":
-  version: 2.1.4
-  resolution: "@roadiehq/backstage-plugin-buildkite@npm:2.1.4"
+  version: 2.1.5
+  resolution: "@roadiehq/backstage-plugin-buildkite@npm:2.1.5"
   dependencies:
     "@backstage/catalog-model": ^1.1.5
     "@backstage/core-components": ^0.12.3
@@ -13136,7 +13136,7 @@ __metadata:
     react-dom: ^16.13.1 || ^17.0.0
     react-router: 6.0.0-beta.0 || ^6.3.0
     react-router-dom: 6.0.0-beta.0 || ^6.3.0
-  checksum: 6f45a9d4fe5429f5052ecae7547e608fe4b4c6b43e5ed7d113e9648d37fbe40ced92f51f29ffe719517de101e7821e14fd7d03cc588860a90392de6fafb6e9f6
+  checksum: d5ed0560401c621ae08b5eab82d5a9ebb36427f60ed2794071a7afcbc417c39c224438680234136aaaa992df19ed6b279b0292a03bdacac79359690d02256bcd
   languageName: node
   linkType: hard