ci: add stable ci-success status gate job - #71

[NullAway] passing @nullable parameter 'null' where @nonnull is required

[NullAway] passing @nullable parameter 'null' where @nonnull is required

[NullAway] passing @nullable parameter 'null' where @nonnull is required

[StreamResourceLeak] Streams that encapsulate a closeable resource should be closed using try-with-resources

[NullAway] initializer method does not guarantee @nonnull fields privateKey (line 58), certificateChain (line 59) are initialized along all control-flow paths (remember to check for exceptions or early returns).

[MixedMutabilityReturnType] This method returns both mutable and immutable collections or maps from different paths. This may be confusing for users of the method.

[NullAway] returning @nullable expression from method with @nonnull return type

[NullAway] returning @nullable expression from method with @nonnull return type

[NullAway] returning @nullable expression from method with @nonnull return type