Update speedtest-go to v1.7.11

Upstream now counts upload bytes on a confirmed server response rather than on
buffered write; Pingularity compiles and tests unchanged.

Co-Authored-By: Claude <noreply@anthropic.com>

Author: cansofgrease

go.mod

@@ -4,7 +4,7 @@ go 1.25.12
 
 require (
 	github.com/kardianos/service v1.2.4
-	github.com/showwin/speedtest-go v1.7.10
+	github.com/showwin/speedtest-go v1.7.11
 	golang.org/x/crypto v0.53.0
 	golang.org/x/sys v0.46.0
 	modernc.org/sqlite v1.52.0

go.sum

@@ -14,8 +14,8 @@ github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOF
 github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
-github.com/showwin/speedtest-go v1.7.10 h1:9o5zb7KsuzZKn+IE2//z5btLKJ870JwO6ETayUkqRFw=
-github.com/showwin/speedtest-go v1.7.10/go.mod h1:Ei7OCTmNPdWofMadzcfgq1rUO7mvJy9Jycj//G7vyfA=
+github.com/showwin/speedtest-go v1.7.11 h1:IMm3MSDewzOmgZSg6+It9AlxKYT9JBK1cxb0PF52DYE=
+github.com/showwin/speedtest-go v1.7.11/go.mod h1:MAtq5zxTo0kbqC90RStARJV6DQwDzvtPM6VF5AKzpYc=
 golang.org/x/crypto v0.53.0 h1:QZ4Muo8THX6CizN2vPPd5fBGHyogrdK9fG4wLPFUsto=
 golang.org/x/crypto v0.53.0/go.mod h1:DNLU434OwVakk9PzuwV8w62mAJpRJL3vsgcfp4Qnsio=
 golang.org/x/mod v0.33.0 h1:tHFzIWbBifEmbwtGz65eaWyGiGZatSrT9prnU8DbVL8=