Read ActivitySource/Meter version from assembly metadata

Replace hardcoded '1.0.0' version with the assembly's informational
version, keeping the telemetry version in sync with the NuGet package.

Author: fdcastel

src/FirebirdSql.Data.FirebirdClient/Metrics/FbMetricsStore.cs

@@ -3,6 +3,7 @@
 using System.Diagnostics;
 using System.Diagnostics.Metrics;
 using System.Linq;
+using System.Reflection;
 using FirebirdSql.Data.FirebirdClient;
 
 namespace FirebirdSql.Data.Metrics
@@ -14,7 +15,9 @@ internal static class FbMetricsStore
 		private const string ConnectionStateIdleValue = "idle";
 		private const string ConnectionStateUsedValue = "used";
 
-		internal static readonly Meter Source = new("FirebirdSql.Data", "1.0.0");
+		static readonly string Version = typeof(FbMetricsStore).Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion ?? "0.0.0";
+
+		internal static readonly Meter Source = new("FirebirdSql.Data", Version);
 
 		static readonly Histogram<double> OperationDuration;
 		static readonly Histogram<double> ConnectionCreateTime;

src/FirebirdSql.Data.FirebirdClient/Trace/FbActivitySource.cs

@@ -2,14 +2,17 @@
 using System.ComponentModel;
 using System.Data;
 using System.Diagnostics;
+using System.Reflection;
 using FirebirdSql.Data.FirebirdClient;
 using FirebirdSql.Data.Logging;
 
 namespace FirebirdSql.Data.Trace
 {
 	internal static class FbActivitySource
 	{
-		internal static readonly ActivitySource Source = new("FirebirdSql.Data", "1.0.0");
+		static readonly string Version = typeof(FbActivitySource).Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion ?? "0.0.0";
+
+		internal static readonly ActivitySource Source = new("FirebirdSql.Data", Version);
 
 		internal static Activity CommandStart(FbCommand command)
 		{