Handle trust pings in the AATH backchannel #7698

Job	Run time
workflow-setup	20s
workspace_clippy (vdrtools_wallet)	3m 42s
verify-code-formatting	22s
workspace_clippy (askar_wallet)	3m 45s
aries_vcx_clippy (credx,vdrtools_wallet)	2m 19s
aries_vcx_clippy (vdr_proxy_ledger,vdrtools_wallet)	2m 18s
workflow-setup-check	1s
test-unit-workspace	1m 29s
build-docker-vdrproxy	6s
test-compatibility-aries-vcx-wallet	48s
test-integration-aries-vcx (vdrtools_wallet,credx)	6m 5s
build-docker-aath-backchannel	0s
test-integration-aries-vcx (askar_wallet,credx)	6m 53s
test-integration-aries-vcx-anoncreds-rs	3m 46s
test-integration-aries-vcx-mysql	2m 8s
test-wallet-migrator	50s
test-integration-did-crate	1m 45s
publish-docker-aath-backchannel	0s
test-integration-aries-vcx-vdrproxy	11m 59s
publish-docker-vdrproxy	2s
make-release	0s
	48m 38s

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