Rationalize/clean-up usage of GetBinder/Locals/LocalFunction/Labels/Next with binders.

Remove vestigal project.lock.json files

Merge from future into features/patterns

Update issue list and some of spec for patterns per LDM.

Related to #8817.

Merge master into future

Update language feature status.

Test/fix scoping rules for pattern locals declared within a match expression.

Make tests their own first class objects

Organize the local function work

Format conflicts resolved during rename

Merge master into future

Replace dynamic invocation of EnumerateExpansionsAsync with direct calls

Build History - Keep 90 days of logs, 21 days of artifacts

Add netstandard1.1 target to Microsoft.DiaSymReader.PortablePdb.nuspec

Reorganizes the local function documents into a spec document and
a worklist document. Everything in the worklist has been given a
separate bug number and been linked to the worklist. The spec has had a
preliminary grammar added to it.

There has also been a skipped test added for one of the bugs that was
filed.

Remove unrelated comment from an issue.

Implement code action to complete switch statements on enums

Fixes https://github.com/dotnet/roslyn/issues/6766
Fixes https://github.com/dotnet/roslyn/issues/10322

Fixes #8553

Support 'generate type' on complex patterns.

Fixes https://github.com/dotnet/roslyn/issues/9089

GitMergeBot - Always trigger VSI tests

Merge master into future

Instead of attempting to figure out if the change is mergable, which can
sometimes fail, just always request VSI tests be run. If the change is
not mergable, then this will just be a no-op.

Fix naming in use var codestyle

Update Microsoft.DiaSymReader.nuspec to rc2-23931 build

Fix culture conditional fact attribute

Also added a few further issues