Tag successfully extracted files queries

Tag the successfully extracted files queries with
`successfully-extracted-files` to make them easier to identify
programmatically in a language-independent way.
This follows the prior art for lines of code queries, which are tagged
`lines-of-code`.

Author: henrymercer

cpp/ql/src/Diagnostics/SuccessfullyExtractedFiles.ql

@@ -3,6 +3,7 @@
  * @description Lists all files in the source code directory that were extracted without encountering a problem in the file.
  * @kind diagnostic
  * @id cpp/diagnostics/successfully-extracted-files
+ * @tags successfully-extracted-files
  */
 
 import cpp

csharp/ql/src/Diagnostics/DiagnosticNoExtractionErrors.ql

@@ -4,6 +4,7 @@
  *              without encountering an extraction or compiler error in the file.
  * @kind diagnostic
  * @id cs/diagnostics/successfully-extracted-files
+ * @tags successfully-extracted-files
  */
 
 import csharp

go/ql/src/Diagnostics/SuccessfullyExtractedFiles.ql

@@ -3,6 +3,7 @@
  * @name Successfully analyzed files
  * @description List all files that were successfully extracted.
  * @kind diagnostic
+ * @tags successfully-extracted-files
  */
 
 import go

java/ql/src/Diagnostics/SuccessfullyExtractedFiles.ql

@@ -4,6 +4,7 @@
  *              were extracted without encountering an error in the file.
  * @kind diagnostic
  * @id java/diagnostics/successfully-extracted-files
+ * @tags successfully-extracted-files
  */
 
 import java

javascript/ql/src/Diagnostics/SuccessfullyExtractedFiles.ql

@@ -3,6 +3,7 @@
  * @description Lists all files in the source code directory that were extracted without encountering an error in the file.
  * @kind diagnostic
  * @id js/diagnostics/successfully-extracted-files
+ * @tags successfully-extracted-files
  */
 
 import javascript

python/ql/src/Diagnostics/SuccessfullyExtractedFiles.ql

@@ -4,6 +4,7 @@
  *   without encountering an error.
  * @kind diagnostic
  * @id py/diagnostics/successfully-extracted-files
+ * @tags successfully-extracted-files
  */
 
 import python

ql/ql/src/queries/diagnostics/SuccessfullyExtractedFiles.ql

@@ -4,6 +4,7 @@
  *   without encountering an error in the file.
  * @kind diagnostic
  * @id ql/diagnostics/successfully-extracted-files
+ * @tags successfully-extracted-files
  */
 
 import ql

ruby/ql/src/queries/diagnostics/SuccessfullyExtractedFiles.ql

@@ -4,6 +4,7 @@
  *   without encountering an error in the file.
  * @kind diagnostic
  * @id rb/diagnostics/successfully-extracted-files
+ * @tags successfully-extracted-files
  */
 
 import codeql.ruby.AST