chore(CODEOWNERS): change app-infra to platform-infra [AI-1] (#104)

Co-authored-by: Sourcegraph <batch-changes@sourcegraph.com>

CODEOWNERS

@@ -1,15 +1,15 @@
 * @Typeform/platform-infra
-.github/workflows/go-lint-workflow.yaml                     @Typeform/app-infra
+.github/workflows/go-lint-workflow.yaml                     @Typeform/platform-infra
 .github/workflows/image-multiarch.yaml                      @Typeform/platform-infra
-reusable-workflows/go-lint                                  @Typeform/app-infra
+reusable-workflows/go-lint                                  @Typeform/platform-infra
 reusable-workflows/image-multiarch                          @Typeform/platform-infra
-shared-actions/send-deployment-event                        @Typeform/app-infra
-workflow-templates/send-deployment-event.properties.json    @Typeform/app-infra
-workflow-templates/send-deployment-event.svg                @Typeform/app-infra
-workflow-templates/send-deployment-event.yml                @Typeform/app-infra
+shared-actions/send-deployment-event                        @Typeform/platform-infra
+workflow-templates/send-deployment-event.properties.json    @Typeform/platform-infra
+workflow-templates/send-deployment-event.svg                @Typeform/platform-infra
+workflow-templates/send-deployment-event.yml                @Typeform/platform-infra
 workflow-templates/ci-standard-checks.yml                   @Typeform/platform-infra
 workflow-templates/ci-standard-checks.svg                   @Typeform/platform-infra
 workflow-templates/ci-standard-checks.properties.json       @Typeform/platform-infra
-workflow-templates/frontend-canary-cleanup.yml              @Typeform/app-infra
-workflow-templates/frontend-canary-cleanup.svg              @Typeform/app-infra
-workflow-templates/frontend-canary-cleanup.properties.json  @Typeform/app-infra
+workflow-templates/frontend-canary-cleanup.yml              @Typeform/platform-infra
+workflow-templates/frontend-canary-cleanup.svg              @Typeform/platform-infra
+workflow-templates/frontend-canary-cleanup.properties.json  @Typeform/platform-infra