Add missing month in datetime map

Signed-off-by: Justin Menga <justin.menga@gmail.com>

daemon/logger/awslogs/cloudwatchlogs.go

@@ -177,8 +177,8 @@ var strftimeToRegex = map[string]string{
 	/*weekdayFull           */ `%A`: `(?:Monday|Tuesday|Wednesday|Thursday|Friday|Saturday|Sunday)`,
 	/*weekdayZeroIndex      */ `%w`: `[0-6]`,
 	/*dayZeroPadded         */ `%d`: `(?:0[1-9]|[1,2][0-9]|3[0,1])`,
-	/*monthShort            */ `%b`: `(?:Jan|Feb|Mar|Apr|Jun|Jul|Aug|Sep|Oct|Nov|Dec)`,
-	/*monthFull             */ `%B`: `(?:January|February|March|April|June|July|August|September|October|November|December)`,
+	/*monthShort            */ `%b`: `(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)`,
+	/*monthFull             */ `%B`: `(?:January|February|March|April|May|June|July|August|September|October|November|December)`,
 	/*monthZeroPadded       */ `%m`: `(?:0[1-9]|1[0-2])`,
 	/*yearCentury           */ `%Y`: `\d{4}`,
 	/*yearZeroPadded        */ `%y`: `\d{2}`,

daemon/logger/awslogs/cloudwatchlogs_test.go

@@ -972,8 +972,8 @@ func TestParseLogOptionsDatetimeFormat(t *testing.T) {
 	}{
 		{"%d/%m/%y %a %H:%M:%S%L %Z", "31/12/10 Mon 08:42:44.345 NZDT"},
 		{"%Y-%m-%d %A %I:%M:%S.%f%p%z", "2007-12-04 Monday 08:42:44.123456AM+1200"},
-		{"%b|%b|%b|%b|%b|%b|%b|%b|%b|%b|%b|%b", "Jan|Feb|Mar|Apr|Jun|Jul|Aug|Sep|Oct|Nov|Dec"},
-		{"%B|%B|%B|%B|%B|%B|%B|%B|%B|%B|%B|%B", "January|February|March|April|June|July|August|September|October|November|December"},
+		{"%b|%b|%b|%b|%b|%b|%b|%b|%b|%b|%b|%b", "Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec"},
+		{"%B|%B|%B|%B|%B|%B|%B|%B|%B|%B|%B|%B", "January|February|March|April|May|June|July|August|September|October|November|December"},
 		{"%A|%A|%A|%A|%A|%A|%A", "Monday|Tuesday|Wednesday|Thursday|Friday|Saturday|Sunday"},
 		{"%a|%a|%a|%a|%a|%a|%a", "Mon|Tue|Wed|Thu|Fri|Sat|Sun"},
 		{"Day of the week: %w, Day of the year: %j", "Day of the week: 4, Day of the year: 091"},