Update changelog and highlight tests

CHANGELOG.rst

@@ -30,6 +30,10 @@ Added
   - `cast_expression`
   - `array_declarator`
 
+- Missing patterns for C#:
+
+   - `tuple_pattern`
+
 - Missing patterns for Common Lisp:
 
   - `loop_macro`

test/highlight/spec/c_sharp/rainbow-delimiters/misc.cs.lua

@@ -425,11 +425,107 @@ return {
       hl_group = "RainbowDelimiterYellow",
       start_col = 4,
       start_row = 37
+    }, {
+      end_col = 13,
+      end_row = 13,
+      hl_group = "RainbowDelimiterYellow",
+      start_col = 12,
+      start_row = 39
+    }, {
+      end_col = 22,
+      end_row = 22,
+      hl_group = "RainbowDelimiterYellow",
+      start_col = 21,
+      start_row = 39
+    }, {
+      end_col = 37,
+      end_row = 37,
+      hl_group = "RainbowDelimiterYellow",
+      start_col = 36,
+      start_row = 39
+    }, {
+      end_col = 38,
+      end_row = 38,
+      hl_group = "RainbowDelimiterYellow",
+      start_col = 37,
+      start_row = 39
+    }, {
+      end_col = 5,
+      end_row = 5,
+      hl_group = "RainbowDelimiterYellow",
+      start_col = 4,
+      start_row = 40
+    }, {
+      end_col = 16,
+      end_row = 16,
+      hl_group = "RainbowDelimiterBlue",
+      start_col = 15,
+      start_row = 41
+    }, {
+      end_col = 21,
+      end_row = 21,
+      hl_group = "RainbowDelimiterBlue",
+      start_col = 20,
+      start_row = 41
+    }, {
+      end_col = 5,
+      end_row = 5,
+      hl_group = "RainbowDelimiterYellow",
+      start_col = 4,
+      start_row = 42
+    }, {
+      end_col = 34,
+      end_row = 34,
+      hl_group = "RainbowDelimiterYellow",
+      start_col = 33,
+      start_row = 44
+    }, {
+      end_col = 35,
+      end_row = 35,
+      hl_group = "RainbowDelimiterYellow",
+      start_col = 34,
+      start_row = 44
+    }, {
+      end_col = 5,
+      end_row = 5,
+      hl_group = "RainbowDelimiterYellow",
+      start_col = 4,
+      start_row = 45
+    }, {
+      end_col = 13,
+      end_row = 13,
+      hl_group = "RainbowDelimiterBlue",
+      start_col = 12,
+      start_row = 46
+    }, {
+      end_col = 18,
+      end_row = 18,
+      hl_group = "RainbowDelimiterBlue",
+      start_col = 17,
+      start_row = 46
+    }, {
+      end_col = 35,
+      end_row = 35,
+      hl_group = "RainbowDelimiterBlue",
+      start_col = 34,
+      start_row = 46
+    }, {
+      end_col = 36,
+      end_row = 36,
+      hl_group = "RainbowDelimiterBlue",
+      start_col = 35,
+      start_row = 46
+    }, {
+      end_col = 5,
+      end_row = 5,
+      hl_group = "RainbowDelimiterYellow",
+      start_col = 4,
+      start_row = 47
     }, {
       end_col = 1,
       end_row = 1,
       hl_group = "RainbowDelimiterRed",
       start_col = 0,
-      start_row = 38
+      start_row = 48
     } }
 }