Use Debian Buster for linux jobs (#33446)

Summary:
Linux tests are failing because the default version of CMake in Debian stretch, upgrade to Buster.
That's similar to https://github.com/facebook/hermes/commit/1838d6f2ce660fc0f63a4aa00ccab283e254d570

## Changelog

[Internal] - Use Debian Buster for linux jobs

Pull Request resolved: https://github.com/facebook/react-native/pull/33446

Test Plan: Will rely on CI results

Reviewed By: javache, cipolleschi

Differential Revision: D34987732

Pulled By: cortinico

fbshipit-source-id: e6c528013c9fa20561a8f75ba1435a365c5e4e08

.circleci/config.yml

@@ -810,7 +810,7 @@ jobs:
   # -------------------------
   prepare-hermes-ws:
     docker:
-      - image: debian:stretch
+      - image: debian:buster
     environment:
       - HERMES_WS_DIR: *hermes_workspace_root
     steps:
@@ -834,7 +834,7 @@ jobs:
 
   build-hermesc-linux:
     docker:
-      - image: debian:stretch
+      - image: debian:buster
     environment:
       - HERMES_WS_DIR: *hermes_workspace_root
       - TERM: dumb
@@ -955,7 +955,7 @@ jobs:
 
   inject-hermesc:
     docker:
-      - image: debian:stretch
+      - image: debian:buster
     environment:
       - HERMES_WS_DIR: *hermes_workspace_root
     steps: