Revert "Upgrade ws4py dependency to 0.2.4"

This reverts commit 7f38404633802901e9a53bc3e95893cf63f8daa5.
Revert "Upgrade concurrent.futures dependency to 2.1.4"

This reverts commit 99a2789ce2dde47e5be89e7c9dc70ee5ab198589.
Changelog and dxR version update for v0.63.1
Fix DXWorkflow test
Minor fix to 2461607: skip ACL check if dry run.

In addition to just the general fact that we should avoid contacting the
API server as much as possible when --dry-run is specified,
dx-run-app-locally calls "dx build --dry-run" and we should try hard to
make that a local-only operation.
PTFM-8904: Update workflow details with version-qualified app IDs
Changelog and dxR version update for v0.63.2