[PSM Interop] Enable affinity_session_drain_test for cpp (v1.62.x bac…

…kport) (grpc#36078)

Backport of grpc#36064 to v1.62.x.
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Add `gamma.affinity_session_drain_test` to
`grpc/core/master/linux/psm-csm` test suite.

[Release] Bump version to 1.61.2 (on v1.61.x branch) (grpc#36082)

Change was created by the release automation script. See
go/grpc-release.

Bump release version 202402201104 (grpc#35951)

[experiments] Disable chaotic good test in 1.62 branch (grpc#35902)

[Release] Bump version to 1.61.1 (on v1.61.x branch) (grpc#35888)

Change was created by the release automation script. See go/grpc-release

[Release] Bump version to 1.59.4 (on v1.59.x branch) (grpc#35816)

Change was created by the release automation script. See go/grpc-release

[Release] Bump version to 1.56.4 (on v1.56.x branch) (grpc#35815)

Change was created by the release automation script. See go/grpc-release

[Release] Bump version to 1.49.4 (on v1.49.x branch) (grpc#35814)

Change was created by the release automation script. See go/grpc-release

[Release] Bump version to 1.61.0 (on v1.61.x branch) (grpc#35760)

Change was created by the release automation script. See
go/grpc-release.

[Release] Bump version to 1.61.0-pre3 (on v1.61.x branch) (grpc#35677)

Change was created by the release automation script. See
go/grpc-release.