fix(toml): parsing positive time zone offset (denoland#6188)

Author: IgorM867

toml/_parser.ts

@@ -608,7 +608,7 @@ export function dateTime(scanner: Scanner): ParseResult<Date> {
 
   const acc = [];
   // example: 1979-05-27T00:32:00Z
-  while (/[ 0-9TZ.:-]/.test(scanner.char()) && !scanner.eof()) {
+  while (/[ 0-9TZ.:+-]/.test(scanner.char()) && !scanner.eof()) {
     acc.push(scanner.char());
     scanner.next();
   }

toml/parse_test.ts

@@ -295,6 +295,10 @@ Deno.test({
       parse("1979-05-27T00:32:00-07:00"),
       new Date("1979-05-27T07:32:00Z"),
     );
+    assertEquals(
+      parse("1979-05-27T14:32:00+07:00"),
+      new Date("1979-05-27T07:32:00Z"),
+    );
     assertEquals(
       parse("1979-05-27T00:32:00.999999-07:00"),
       new Date("1979-05-27T07:32:00.999Z"),
@@ -785,8 +789,9 @@ Deno.test({
       datetime: {
         odt1: new Date("1979-05-27T07:32:00Z"),
         odt2: new Date("1979-05-27T00:32:00-07:00"),
-        odt3: new Date("1979-05-27T00:32:00.999999-07:00"),
-        odt4: new Date("1979-05-27 07:32:00Z"),
+        odt3: new Date("1979-05-27T14:32:00+07:00"),
+        odt4: new Date("1979-05-27T00:32:00.999999-07:00"),
+        odt5: new Date("1979-05-27 07:32:00Z"),
         ld1: new Date("1979-05-27"),
         lt1: "07:32:00",
         lt2: "00:32:00.999999",

toml/testdata/datetime.toml

@@ -1,8 +1,9 @@
 [datetime]
 odt1 = 1979-05-27T07:32:00Z # Comment
 odt2 = 1979-05-27T00:32:00-07:00 # Comment
-odt3 = 1979-05-27T00:32:00.999999-07:00 # Comment
-odt4 = 1979-05-27 07:32:00Z # Comment
+odt3 = 1979-05-27T14:32:00+07:00 # Comment
+odt4 = 1979-05-27T00:32:00.999999-07:00 # Comment
+odt5 = 1979-05-27 07:32:00Z # Comment
 ld1 = 1979-05-27 # Comment
 lt1 = 07:32:00 # Comment
 lt2 = 00:32:00.999999 # Comment