add tsig to codeowners; update chaos authors (#5479)

Signed-off-by: Chris O'Haver <cohaver@infoblox.com>

CODEOWNERS

@@ -53,4 +53,5 @@ go.mod                  @miekg @chrisohaver @johnbelamaric @yongtang @stp-ip
 /plugin/tls/            @johnbelamaric
 /plugin/trace/          @johnbelamaric @zouyee @Tantalor93
 /plugin/transfer/       @miekg @chrisohaver
+/plugin/tsig/           @chrisohaver
 /plugin/whoami/         @miekg @chrisohaver @yongtang

plugin/chaos/zowners.go

 package chaos
 
 // Owners are all GitHub handlers of all maintainers.
-var Owners = []string{"bradbeam", "chrisohaver", "darshanime", "dilyevsky", "ekleiner", "fastest963", "greenpau", "ihac", "inigohu", "isolus", "johnbelamaric", "miekg", "mqasimsarfraz", "nchrisdk", "nitisht", "pmoroney", "rajansandeep", "rdrozhdzh", "rtreffer", "snebel29", "stp-ip", "superq", "varyoo", "ykhr53", "yongtang", "zouyee"}
+var Owners = []string{"Tantalor93", "bradbeam", "chrisohaver", "darshanime", "dilyevsky", "ekleiner", "greenpau", "ihac", "inigohu", "isolus", "jameshartig", "johnbelamaric", "miekg", "mqasimsarfraz", "nchrisdk", "nitisht", "pmoroney", "rajansandeep", "rdrozhdzh", "rtreffer", "snebel29", "stp-ip", "superq", "varyoo", "ykhr53", "yongtang", "zouyee"}