C#: Migrate SQL sinks to CSV format

[tamasvajk]

This PR migrates some SQL sinks (known IDbCommand implementors, EntityFramework, Dapper) to CSV format.

Diff job

Some required fixes are added here:

• Fix NullableType to include qualified name of type arguments #6259
• C#: Change generic method names to include <> and type args/params #6260

[github-actions]

⚠️ The head of this PR and the base branch were compared for differences in the framework coverage reports. The generated reports are available in the artifacts of this workflow run. The differences will be picked up by the nightly job after the PR gets merged. The following differences were found:

csharp

Generated file changes for csharp

• Changes to framework-coverage-csharp.rst:

-    System,"``System.*``, ``System``",3,13,5,5
+    System,"``System.*``, ``System``",3,13,28,5
+    Others,"``Dapper``, ``Microsoft.ApplicationBlocks.Data``, ``MySql.Data.MySqlClient``",,,130,
-    Totals,,3,13,5,5
+    Totals,,3,13,158,5

• Changes to framework-coverage-csharp.csv:

- package,sink,source,summary,sink:html,sink:xss,source:local,summary:taint
+ package,sink,source,summary,sink:html,sink:sql,sink:xss,source:local,summary:taint
+ Dapper,54,,,,54,,,
+ Microsoft.ApplicationBlocks.Data,28,,,,28,,,
+ MySql.Data.MySqlClient,48,,,,48,,,
- System,5,3,13,4,1,3,13
+ System,28,3,13,4,23,1,3,13

[github-actions]

⚠️ The head of this PR and the base branch were compared for differences in the framework coverage reports. The generated reports are available in the artifacts of this workflow run. The differences will be picked up by the nightly job after the PR gets merged. The following differences were found:

csharp

Generated file changes for csharp

• Changes to framework-coverage-csharp.rst:

-    System,"``System.*``, ``System``",3,13,5,5
+    System,"``System.*``, ``System``",3,13,28,5
+    Others,"``Dapper``, ``Microsoft.ApplicationBlocks.Data``, ``MySql.Data.MySqlClient``",,,119,
-    Totals,,3,13,5,5
+    Totals,,3,13,147,5

• Changes to framework-coverage-csharp.csv:

- package,sink,source,summary,sink:html,sink:xss,source:local,summary:taint
+ package,sink,source,summary,sink:html,sink:sql,sink:xss,source:local,summary:taint
+ Dapper,43,,,,43,,,
+ Microsoft.ApplicationBlocks.Data,28,,,,28,,,
+ MySql.Data.MySqlClient,48,,,,48,,,
- System,5,3,13,4,1,3,13
+ System,28,3,13,4,23,1,3,13

[github-actions]

⚠️ The head of this PR and the base branch were compared for differences in the framework coverage reports. The generated reports are available in the artifacts of this workflow run. The differences will be picked up by the nightly job after the PR gets merged. The following differences were found:

csharp

Generated file changes for csharp

• Changes to framework-coverage-csharp.rst:

-    System,"``System.*``, ``System``",3,13,5,5
+    System,"``System.*``, ``System``",3,13,28,5
+    Others,"``Dapper``, ``Microsoft.ApplicationBlocks.Data``, ``MySql.Data.MySqlClient``",,,131,
-    Totals,,3,13,5,5
+    Totals,,3,13,159,5

• Changes to framework-coverage-csharp.csv:

- package,sink,source,summary,sink:html,sink:xss,source:local,summary:taint
+ package,sink,source,summary,sink:html,sink:sql,sink:xss,source:local,summary:taint
+ Dapper,55,,,,55,,,
+ Microsoft.ApplicationBlocks.Data,28,,,,28,,,
+ MySql.Data.MySqlClient,48,,,,48,,,
- System,5,3,13,4,1,3,13
+ System,28,3,13,4,23,1,3,13

[hvitved]

LGTM

[tamasvajk]

@hvitved Thanks for the approval. I've rebased this PR to fix merge conflicts after the ServiceStack PR got merged.