Add strip=always to release builds (#15774)

.bazelrc

@@ -34,6 +34,7 @@ build:minimal --@io_bazel_rules_go//go/config:tags=minimal
 build:release --compilation_mode=opt
 build:release --stamp
 build:release --define pgo_enabled=1
+build:release --strip=always
 
 # Build binary with cgo symbolizer for debugging / profiling.
 build:cgo_symbolizer --copt=-g

changelog/pvl-strip.md

@@ -0,0 +1,3 @@
+### Changed
+
+- Bazel builds with `--config=release` now properly apply `--strip=always` to strip debug symbols from the release assets.