the elixir toolchain uses some private apis, and needed updating to
match internal changes in rules_erlang

(cherry picked from commit 2cd020a0da84702e23893d0d9a7bdccbc3f37702)

Improve finding of the location of the secondary umbrella

in integration tests

(cherry picked from commit 1316f255d903a66965d12a257d6c0fee0bb178fc)

Use regular Bazel Central Registry (BCR) for bazel modules

instead of our fork

(cherry picked from commit a3e57b9fad88cfc82930bd654a41a83fa33dbdf2)

Fix all dialyzer warnings in rabbitmq_amqp1_0 (backport #6913)

(cherry picked from commit c6f38702b505f7466c2f8c60aa13a873d975b4d6)

Removed/commented out some unreachable code, some error handling is fixed.

(cherry picked from commit 458cf33c4ee0902e7022a87303ff872a4781fdb3)

# Conflicts:
#	deps/rabbitmq_amqp1_0/src/rabbit_amqp1_0_reader.erl

diagnostics check_port_connectivity: support --address (backport #6864)

(cherry picked from commit e3a03041295663999517ea34105efe9e137a4191)

(cherry picked from commit 4419707ac8206a2d35b4a03ef317a6c9e66e020a)

(cherry picked from commit c3c4665970a542aafb9dc06c2b590ab8b141fad2)

(cherry picked from commit 9d69a4b325b324e7c7f13c884ebe0bd0f445bd3b)