Internal changes:

* [internal] Remove superfluous f-string specifiers ([#13821](#13821))

* [internal] scala: extract annotations as consumed types ([#13810](#13810))

* [jvm] Split nailgun digest from input file digests ([#13813](#13813))

* [internal] jvm: add jre_major_version and use stderr to properly extract version ([#13812](#13812))

* [internal] Clean up Go `embed` support's handling of dependencies ([#13801](#13801))

* [internal] scala: handle package object syntax in parser ([#13809](#13809))

* [internal] java: fix junit sentinel rule setup ([#13815](#13815))

* [internal] upgrade to rust v1.57.0 ([#13807](#13807))

* [internal] add failing test for FrozenDict equality issue ([#13389](#13389))

* [internal] Use `PyObject` instead of `Value` in more places ([#13802](#13802))

* Remove MultiPlatform Process abstractions ([#12725](#12725))

* [internal] add `JvmToolBase` for lockfile handling for JVM tools ([#13777](#13777))

* [internal] Port `MergeDigests` to Rust ([#13773](#13773))

* [jvm] Spawn nailgun servers outside the pool lock ([#13796](#13796))

* [internal] DRY loading internal Go binaries ([#13800](#13800))

* [internal] Convert unit tests to use pytest ([#13798](#13798))

* [internal] remove dead code - socket util. ([#13797](#13797))

* [internal] Reorganize Go parser scripts ([#13791](#13791))

* Adds Jackson core/datatype to `JVM_ARTIFACT_MAPPINGS` ([#13792](#13792))

* [internal] go: initial support for embedding resources ([#13743](#13743))

* [internal] Refer to `go.mod` path when downloading packages ([#13786](#13786))

* [internal] More robust Go dependency inference tests ([#13785](#13785))

* [internal] `tailor` doesn't add `go_package` for `testdata` folder ([#13783](#13783))

* [internal] Add Scala backend to dryrun for wheel builds. ([#13772](#13772))

* [internal] Unify JVM thirdparty resolves ([#13771](#13771))

* [internal] scala: infer dependencies from consumed symbols and intermediate scopes ([#13758](#13758))

* [internal] java: infer scala encoded symbols ([#13739](#13739))

* [internal] scala: parse and report package scopes ([#13738](#13738))

* [internal] go: configure included env vars for `GoSdkProcess` ([#13734](#13734))

* Fix some `./cargo audit` vulnerabilities. ([#13728](#13728))

* [internal] fix non-empty __init__.py ([#13730](#13730))

* Compute RepositoryPex directly from addresses. ([#13716](#13716))

* Upgrade to cargo-audit 0.16.0. ([#13729](#13729))

* Simplify `NativeHandler`. ([#13727](#13727))

* [internal] Switch to a maintained fork of the `fuse` crate for `brfs`. ([#13679](#13679))

* [internal] Add infrastructure to support deprecating field names ([#13666](#13666))

* [internal] Introduce OptionalPex/OptionalPexRequest. ([#13712](#13712))

* [internal] tailor adds go_package targets ([#13703](#13703))

* [internal] Remove unused testproject for pants-plugin ([#13704](#13704))

* [internal] Rename ambiguous `subpath` variable for Go code ([#13701](#13701))

* [internal] scala: generate the JVM names seen by Java code for Scala code ([#13696](#13696))

* Use RequirementsPexRequest in run_pex_binary.py. ([#13693](#13693))

* [internal] Refactor finding owning `go_mod` for first-party packages ([#13695](#13695))

* [internal] repl: add append_only_caches / run_in_workspace attributes to ReplRequest ([#13599](#13599))

* [internal] switch back to official `cargo-ensure-prefix` crate ([#13692](#13692))

* [internal] scala: extract type names from all Type.* AST nodes ([#13685](#13685))

* [internal] Convert unit tests to use pytest ([#13652](#13652))

* Unblock codegen support for java export analysis (#13645) ([#13675](#13675))

* [internal] upgrade to Rust 2021 Edition ([#13644](#13644))

* [internal] Don't store derived values on `go_first_party_package` targets ([#13676](#13676))

* Upgrade to py03 0.15.1. ([#13725](#13725))

* Add PyPDF2 to module mapping ([#13717](#13717))

* Upgrade console and indacatif. ([#13726](#13726))