Chore: Add witness hint for enum_tuple_variant_field_marked_deprecated lint (#1216)

Adds a witness hint for the `enum_tuple_variant_field_marked_deprecated`
lint.

## Example
`enum_tuple_variant_field_marked_deprecated` outputs the following
witness hint for one of the
`./test_crates/enum_tuple_variant_field_marked_deprecated/` tests.
```rust
match value {
    enum_tuple_variant_field_marked_deprecated::TupleVariantEnum::TupleVariant (_, to_be_deprecated, _) => (),
    _ => (),
}
```
This compiles on both versions, but demonstrates the issue with the
deprecated field, and would emit an error if compiled.

## Commit Notes
+ Added witness hint for `enum_tuple_variant_field_marked_deprecated`
+ Added new parts to query for
`enum_tuple_variant_field_marked_deprecated` to fetch relevant data for
the witness

## Comments
Once again, similar to #1214 I wasn't 100% sure on what to call the
bound variable (`to_be_deprecated`) when destructuring the tuple, but I
think this mostly works. Let me know if you think the name should get
changed!

Author: GlitchlessCode

src/lints/enum_tuple_variant_field_marked_deprecated.ron

@@ -31,6 +31,8 @@ SemverQuery(
                                     public_api_eligible @filter(op: "=", value: ["$true"])
                                     deprecated @filter(op: "!=", value: ["$true"])
                                 }
+
+                                field @fold @transform(op: "count") @output(name: "field_count")
                             }
                         }
                     }
@@ -79,4 +81,10 @@ SemverQuery(
     },
     error_message: "A field in an enum's tuple variant is now #[deprecated]. Downstream crates will get a compiler warning when accessing this field.",
     per_result_error_template: Some("field {{enum_name}}::{{variant_name}}.{{field_name}} in {{span_filename}}:{{span_begin_line}}"),
+    witness: (
+        hint_template: r#"match value {
+    {{ join "::" path }}::{{ variant_name }} ({{#repeat field_count }}{{#if (eq (to_string @index) ../field_name)}}witness{{else}}_{{/if}}{{#unless @last }}, {{/unless}}{{/repeat}}) => (),
+    _ => (),
+}"#,
+    ),
 )

test_outputs/query_execution/enum_tuple_variant_field_marked_deprecated.snap

@@ -6,6 +6,7 @@ expression: "&query_execution_results"
   "./test_crates/enum_struct_variant_field_marked_deprecated/": [
     {
       "enum_name": String("NormalEnum"),
+      "field_count": Uint64(2),
       "field_name": String("0"),
       "path": List([
         String("enum_struct_variant_field_marked_deprecated"),
@@ -20,6 +21,7 @@ expression: "&query_execution_results"
   "./test_crates/enum_tuple_variant_field_marked_deprecated/": [
     {
       "enum_name": String("TupleVariantEnum"),
+      "field_count": Uint64(3),
       "field_name": String("0"),
       "path": List([
         String("enum_tuple_variant_field_marked_deprecated"),
@@ -32,6 +34,7 @@ expression: "&query_execution_results"
     },
     {
       "enum_name": String("TupleVariantEnum"),
+      "field_count": Uint64(3),
       "field_name": String("1"),
       "path": List([
         String("enum_tuple_variant_field_marked_deprecated"),
@@ -44,6 +47,7 @@ expression: "&query_execution_results"
     },
     {
       "enum_name": String("TupleVariantEnum"),
+      "field_count": Uint64(3),
       "field_name": String("1"),
       "path": List([
         String("enum_tuple_variant_field_marked_deprecated"),
@@ -56,6 +60,7 @@ expression: "&query_execution_results"
     },
     {
       "enum_name": String("EnumWithHiddenVariant"),
+      "field_count": Uint64(2),
       "field_name": String("0"),
       "path": List([
         String("enum_tuple_variant_field_marked_deprecated"),

test_outputs/witnesses/enum_tuple_variant_field_marked_deprecated.snap

@@ -0,0 +1,50 @@
+---
+source: src/query.rs
+description: "Lint `enum_tuple_variant_field_marked_deprecated` did not have the expected witness output.\nSee https://github.com/obi1kenobi/cargo-semver-checks/blob/main/CONTRIBUTING.md#testing-witnesses\nfor more information."
+expression: "&actual_witnesses"
+snapshot_kind: text
+---
+[["./test_crates/enum_struct_variant_field_marked_deprecated/"]]
+filename = 'src/lib.rs'
+begin_line = 19
+hint = '''
+match value {
+    enum_struct_variant_field_marked_deprecated::NormalEnum::TupleVariant (witness, _) => (),
+    _ => (),
+}'''
+
+[["./test_crates/enum_tuple_variant_field_marked_deprecated/"]]
+filename = 'src/lib.rs'
+begin_line = 7
+hint = '''
+match value {
+    enum_tuple_variant_field_marked_deprecated::TupleVariantEnum::TupleVariant (witness, _, _) => (),
+    _ => (),
+}'''
+
+[["./test_crates/enum_tuple_variant_field_marked_deprecated/"]]
+filename = 'src/lib.rs'
+begin_line = 8
+hint = '''
+match value {
+    enum_tuple_variant_field_marked_deprecated::TupleVariantEnum::TupleVariant (_, witness, _) => (),
+    _ => (),
+}'''
+
+[["./test_crates/enum_tuple_variant_field_marked_deprecated/"]]
+filename = 'src/lib.rs'
+begin_line = 13
+hint = '''
+match value {
+    enum_tuple_variant_field_marked_deprecated::TupleVariantEnum::AnotherTuple (_, witness, _) => (),
+    _ => (),
+}'''
+
+[["./test_crates/enum_tuple_variant_field_marked_deprecated/"]]
+filename = 'src/lib.rs'
+begin_line = 57
+hint = '''
+match value {
+    enum_tuple_variant_field_marked_deprecated::EnumWithHiddenVariant::NormalTuple (witness, _) => (),
+    _ => (),
+}'''