build: update github.com/ebitengine/purego to work around bug in go1.24.3

Before this we get this error on darwin/amd64

link: duplicated definition of symbol dlopen, from github.com/ebitengine/purego and github.com/ebitengine/purego

See: golang/go#73617

Author: ncw

go.mod

@@ -134,7 +134,7 @@ require (
 	github.com/cronokirby/saferith v0.33.0 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
-	github.com/ebitengine/purego v0.8.1 // indirect
+	github.com/ebitengine/purego v0.8.3 // indirect
 	github.com/emersion/go-message v0.18.0 // indirect
 	github.com/emersion/go-textwrapper v0.0.0-20200911093747-65d896831594 // indirect
 	github.com/emersion/go-vcard v0.0.0-20230815062825-8fda7d206ec9 // indirect

go.sum

@@ -215,6 +215,8 @@ github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkp
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
 github.com/ebitengine/purego v0.8.1 h1:sdRKd6plj7KYW33EH5As6YKfe8m9zbN9JMrOjNVF/BE=
 github.com/ebitengine/purego v0.8.1/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
+github.com/ebitengine/purego v0.8.3 h1:K+0AjQp63JEZTEMZiwsI9g0+hAMNohwUOtY0RPGexmc=
+github.com/ebitengine/purego v0.8.3/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
 github.com/emersion/go-message v0.18.0 h1:7LxAXHRpSeoO/Wom3ZApVZYG7c3d17yCScYce8WiXA8=
 github.com/emersion/go-message v0.18.0/go.mod h1:Zi69ACvzaoV/MBnrxfVBPV3xWEuCmC2nEN39oJF4B8A=
 github.com/emersion/go-textwrapper v0.0.0-20200911093747-65d896831594 h1:IbFBtwoTQyw0fIM5xv1HF+Y+3ZijDR839WMulgxCcUY=