Regenerate get_file_blame toolsnap and docs after merge with main

The cursor-pagination parameter description changed on main; regenerate the
toolsnap and README so docs-check and toolsnap tests pass.

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

Author: SamMorrowDrums

README.md

@@ -1231,7 +1231,7 @@ The following sets of tools are available:
 
 - **get_file_blame** - Get file blame information
   - **Required OAuth Scopes**: `repo`
-  - `after`: Cursor for pagination. Use the endCursor from the previous page's PageInfo for GraphQL APIs. (string, optional)
+  - `after`: Cursor for pagination. Use the cursor from the previous response. (string, optional)
   - `end_line`: Optional 1-based ending line of the window of interest. Must be >= start_line when both are provided. (number, optional)
   - `owner`: Repository owner (username or organization) (string, required)
   - `path`: Path to the file in the repository, relative to the repository root (string, required)

pkg/github/__toolsnaps__/get_file_blame.snap

@@ -7,7 +7,7 @@
   "inputSchema": {
     "properties": {
       "after": {
-        "description": "Cursor for pagination. Use the endCursor from the previous page's PageInfo for GraphQL APIs.",
+        "description": "Cursor for pagination. Use the cursor from the previous response.",
         "type": "string"
       },
       "end_line": {
@@ -51,4 +51,4 @@
     "type": "object"
   },
   "name": "get_file_blame"
-}
+}