Move shared C# assembly-info scripts to misc/bazel/csharp

`misc/bazel/csharp.bzl` is language-shared infra and should not reach into `csharp/`.
Widen the moved targets to public, matching `misc/bazel`, so non-C# languages can use them.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: redsun82

misc/bazel/csharp.bzl

@@ -10,8 +10,8 @@ def _gen_assembly_info(name):
     native.genrule(
         name = assembly_info_gen,
         outs = [name + "AssemblyInfo.cs"],
-        cmd = "$(execpath //csharp/scripts:gen-assembly-info) $@ " + name,
-        tools = ["//csharp/scripts:gen-assembly-info"],
+        cmd = "$(execpath //misc/bazel/csharp:gen-assembly-info) $@ " + name,
+        tools = ["//misc/bazel/csharp:gen-assembly-info"],
     )
     return ":" + assembly_info_gen
 
@@ -83,7 +83,7 @@ def codeql_csharp_binary(name, **kwargs):
     srcs.append(assembly_info_gen)
 
     # always add the assembly info file that sets the AssemblyInformationalVersion attribute to the extractor version
-    srcs.append("//csharp/scripts:git-assembly-info-src")
+    srcs.append("//misc/bazel/csharp:git-assembly-info-src")
 
     csharp_binary_target = "bin/" + name
     publish_binary_target = "publish/" + name

csharp/scripts/BUILD.bazel misc/bazel/csharp/BUILD.bazelcsharp/scripts/BUILD.bazel renamed to misc/bazel/csharp/BUILD.bazel

@@ -9,7 +9,7 @@ py_binary(
 py_binary(
     name = "gen-assembly-info",
     srcs = ["gen-assembly-info.py"],
-    visibility = ["//csharp:__subpackages__"],
+    visibility = ["//visibility:public"],
     deps = ["@rules_python//python/runfiles"],
 )
 
@@ -19,5 +19,5 @@ genrule(
     outs = ["GitAssemblyInfo.cs"],
     cmd = "$(execpath :gen-git-assembly-info) $@ $(SRCS)",
     tools = [":gen-git-assembly-info"],
-    visibility = ["//csharp:__subpackages__"],
+    visibility = ["//visibility:public"],
 )