Update module dependencies.

go.mod

@@ -3,7 +3,7 @@ module github.com/creachadair/jrpc2
 require (
 	github.com/fortytw2/leaktest v1.3.0
 	github.com/google/go-cmp v0.5.9
-	golang.org/x/sync v0.2.0
+	golang.org/x/sync v0.3.0
 )
 
 require github.com/creachadair/mds v0.0.1

go.sum

@@ -4,5 +4,5 @@ github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8
 github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-golang.org/x/sync v0.2.0 h1:PUR+T4wwASmuSTYdKjYHI5TD22Wy5ogLU5qZCOLxBrI=
-golang.org/x/sync v0.2.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
+golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=

tools/go.mod

@@ -4,12 +4,12 @@ go 1.19
 
 require (
 	github.com/creachadair/jrpc2 v1.0.1
-	github.com/creachadair/wschannel v0.0.0-20230505142426-48929d99d2f1
+	github.com/creachadair/wschannel v0.0.0-20230613140811-3177234617df
 )
 
 require (
 	github.com/creachadair/mds v0.0.1 // indirect
 	github.com/klauspost/compress v1.16.6 // indirect
-	golang.org/x/sync v0.2.0 // indirect
+	golang.org/x/sync v0.3.0 // indirect
 	nhooyr.io/websocket v1.8.7 // indirect
 )

tools/go.sum

@@ -2,8 +2,8 @@ github.com/creachadair/jrpc2 v1.0.1 h1:J/D88pPjGwmiD5fYm1BMkxHLePoEnSvMf8CWIlvXm
 github.com/creachadair/jrpc2 v1.0.1/go.mod h1:bYgrBIuiBY7g0SikkCR7Nn1SPNWczTNzgznFEXrxOGA=
 github.com/creachadair/mds v0.0.1 h1:2nX6Sww4dXpScx3b6aYjH1n7iuEH715+jj+cKkKw9BY=
 github.com/creachadair/mds v0.0.1/go.mod h1:caBACU+n1Q/rZ252FTzfnG0/H+ZUi+UnIQtEOraMv/g=
-github.com/creachadair/wschannel v0.0.0-20230505142426-48929d99d2f1 h1:5wSsx5/FJpr521Fj3QFhCJEpXsHsSvDzn2Mgj82lfgU=
-github.com/creachadair/wschannel v0.0.0-20230505142426-48929d99d2f1/go.mod h1:Ka6Nki6civ+Qlo1/wY5P/AzOQof4rgVQwjxd1xou7MU=
+github.com/creachadair/wschannel v0.0.0-20230613140811-3177234617df h1:9R863YGHemaq6yffxkJ/Sblq5Zyn7KJqBfwmKsFTKPY=
+github.com/creachadair/wschannel v0.0.0-20230613140811-3177234617df/go.mod h1:pYFkurR7LeC7yvoU3OngE9Xi7yulgqlQlMk6Iv+3TME=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw=
@@ -53,8 +53,8 @@ github.com/ugorji/go v1.1.7 h1:/68gy2h+1mWMrwZFeD1kQialdSzAb432dtpeJ42ovdo=
 github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
 github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs=
 github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
-golang.org/x/sync v0.2.0 h1:PUR+T4wwASmuSTYdKjYHI5TD22Wy5ogLU5qZCOLxBrI=
-golang.org/x/sync v0.2.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
+golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42 h1:vEOn+mP2zCOVzKckCZy6YsCtDblrpj/w7B9nxGNELpg=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=