docs: update comments (#7010)

PiperOrigin-RevId: 602784576
Source-Link: googleapis/googleapis@ce93f79
Source-Link: https://github.com/googleapis/googleapis-gen/commit/70145fc0eb7819e5ce7cfb5ecff6ea089ecc24fc
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* build: Update protobuf to 25.2 in WORKSPACE
build: Update grpc to 1.60.0 in WORKSPACE
build: Remove pin for boringssl in WORKSPACE
build: Update bazel to 6.3.0 in .bazeliskrc
PiperOrigin-RevId: 603226138
Source-Link: googleapis/googleapis@2aec9e1
Source-Link: https://github.com/googleapis/googleapis-gen/commit/e9a5c2ef37b4d69c93e39141d87aae0b193c00b1
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* chore: set packed = false on field_behavior extension
PiperOrigin-RevId: 604675854
Source-Link: googleapis/googleapis@42c04fe
Source-Link: https://github.com/googleapis/googleapis-gen/commit/a1ed8a97a00d02fe456f6ebd4160c5b2b000ad75
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