upgrade NATS dependencies

v0.8.40

this dependency causes dependabot alerts in the TP (#99)

v0.8.11

set default jetstream pull batch size back to 100

v0.8.10

add option to ack Jetstream messages immediately

v0.8.9

add WithCloseOnEndOfStream

v0.8.8

bug fix in context deadline propagation

v0.8.7: Merge pull request #97 from SkySoft-ATM/nats_metadata

add nats msg metadata to stream events

v0.8.3

add NATS env prefix by default

v0.8.2: Merge pull request #96 from SkySoft-ATM/nats_subject_prefix

add nats.add.env.prefix

v0.8.1

add utility methods to set times on stream.Event

v0.7.15

add option to build gRPC options based on the Gaz object (e.g. to rea…