Add vendor directory and update vendorHash to null

vendor/github.com/jackc/pgx/v5/pgxpool/tracer.go

@@ -0,0 +1,33 @@
+package pgxpool
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5"
+)
+
+// AcquireTracer traces Acquire.
+type AcquireTracer interface {
+	// TraceAcquireStart is called at the beginning of Acquire.
+	// The returned context is used for the rest of the call and will be passed to the TraceAcquireEnd.
+	TraceAcquireStart(ctx context.Context, pool *Pool, data TraceAcquireStartData) context.Context
+	// TraceAcquireEnd is called when a connection has been acquired.
+	TraceAcquireEnd(ctx context.Context, pool *Pool, data TraceAcquireEndData)
+}
+
+type TraceAcquireStartData struct{}
+
+type TraceAcquireEndData struct {
+	Conn *pgx.Conn
+	Err  error
+}
+
+// ReleaseTracer traces Release.
+type ReleaseTracer interface {
+	// TraceRelease is called at the beginning of Release.
+	TraceRelease(pool *Pool, data TraceReleaseData)
+}
+
+type TraceReleaseData struct {
+	Conn *pgx.Conn
+}