SQL Expressions: Re-implement feature using go-mysql-server (#99521)

* Under feature flag `sqlExpressions` and is experimental
* Excluded from arm32
* Will not work with the Query Service yet
* Does not have limits in place yet
* Does not working with alerting yet
* Currently requires "prepare time series" Transform for time series viz
 
---------

Co-authored-by: Sam Jewell <sam.jewell@grafana.com>

pkg/expr/sql/dummy_arm.go

@@ -0,0 +1,18 @@
+//go:build arm
+
+package sql
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/grafana/grafana-plugin-sdk-go/data"
+)
+
+type DB struct{}
+
+// Stub out the QueryFrames method for ARM builds
+// See github.com/dolthub/go-mysql-server/issues/2837
+func (db *DB) QueryFrames(_ context.Context, _, _ string, _ []*data.Frame) (*data.Frame, error) {
+	return nil, fmt.Errorf("sql expressions not supported in arm")
+}