Add lowercase L and octal for ints to set of valid numeric literals in FS1156 message (#8584)

* Add lowercase L to set of valid numeric literals in FS1156 message

* Add octal

Author: Happypig375

src/fsharp/FSComp.txt

@@ -1021,7 +1021,7 @@ lexUnexpectedChar,"Unexpected character '%s'"
 1153,lexInvalidFloat,"Invalid floating point number"
 1154,lexOusideDecimal,"This number is outside the allowable range for decimal literals"
 1155,lexOusideThirtyTwoBitFloat,"This number is outside the allowable range for 32-bit floats"
-1156,lexInvalidNumericLiteral,"This is not a valid numeric literal. Valid numeric literals include 1, 0x1, 0b0001 (int), 1u (uint32), 1L (int64), 1UL (uint64), 1s (int16), 1y (sbyte), 1uy (byte), 1.0 (float), 1.0f (float32), 1.0m (decimal), 1I (BigInteger)."
+1156,lexInvalidNumericLiteral,"This is not a valid numeric literal. Valid numeric literals include 1, 0x1, 0o1, 0b1, 1l (int), 1u (uint32), 1L (int64), 1UL (uint64), 1s (int16), 1y (sbyte), 1uy (byte), 1.0 (float), 1.0f (float32), 1.0m (decimal), 1I (BigInteger)."
 1157,lexInvalidByteLiteral,"This is not a valid byte literal"
 1158,lexInvalidCharLiteral,"This is not a valid character literal"
 1159,lexThisUnicodeOnlyInStringLiterals,"This Unicode encoding is only valid in string literals"