meta: add single-executable labels and code owners

PR-URL: #47004
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>

.github/CODEOWNERS

@@ -140,3 +140,13 @@
 /lib/test.js @nodejs/test_runner
 /lib/internal/main/test_runner.js @nodejs/test_runner
 /lib/internal/test_runner/* @nodejs/test_runner
+
+# Single Executable Applications
+/deps/postject @nodejs/single-executable
+/doc/api/single-executable-applications.md @nodejs/single-executable
+/doc/contributing/maintaining-postject.md @nodejs/single-executable
+/doc/contributing/maintaining-single-executable-application-support.md @nodejs/single-executable
+/src/node_sea* @nodejs/single-executable
+/test/fixtures/postject-copy @nodejs/single-executable
+/test/parallel/test-single-executable-* @nodejs/single-executable
+/tools/dep_updaters/update-postject.sh @nodejs/single-executable

.github/label-pr-config.yml

@@ -33,6 +33,7 @@ subSystemLabels:
   /^src\/node_worker/: c++, worker
   /^src\/quic\/*/: c++, quic, dont-land-on-v14.x
   /^src\/node_bob*/: c++, quic, dont-land-on-v14.x
+  /^src\/node_sea/: single-executable
 
   # don't label python files as c++
   /^src\/.+\.py$/: python, needs-ci