chore(deps): bump github.com/coder/websocket from 1.8.14 to 1.8.15

Bumps [github.com/coder/websocket](https://github.com/coder/websocket) from 1.8.14 to 1.8.15.
- [Release notes](https://github.com/coder/websocket/releases)
- [Commits](coder/websocket@v1.8.14...v1.8.15)

---
updated-dependencies:
- dependency-name: github.com/coder/websocket
  dependency-version: 1.8.15
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/coder/coder/v2 v2.34.2
 	github.com/coder/quartz v0.3.1
 	github.com/coder/serpent v0.15.0
-	github.com/coder/websocket v1.8.14
+	github.com/coder/websocket v1.8.15
 	github.com/fatih/color v1.19.0
 	github.com/go-chi/chi/v5 v5.2.5
 	github.com/google/uuid v1.6.0

go.sum

@@ -258,8 +258,8 @@ github.com/coder/tailscale v1.1.1-0.20260519043957-6f014ff9434f h1:gYivllu5CHhvR
 github.com/coder/tailscale v1.1.1-0.20260519043957-6f014ff9434f/go.mod h1:WTWP5ZNODDXHwWlQ1Jc2MFhqxu93pUs7lIy28Fd5a5E=
 github.com/coder/terraform-provider-coder/v2 v2.18.0 h1:b60ixwf7pVPuiL0GkHZf+1mVj94/HZhCNpsfjAK34mI=
 github.com/coder/terraform-provider-coder/v2 v2.18.0/go.mod h1:Yowo7rLIWw3OOhWSY7LjB57kld3xiFEcUbSI04cnRpU=
-github.com/coder/websocket v1.8.14 h1:9L0p0iKiNOibykf283eHkKUHHrpG7f65OE3BhhO7v9g=
-github.com/coder/websocket v1.8.14/go.mod h1:NX3SzP+inril6yawo5CQXx8+fk145lPDC6pumgx0mVg=
+github.com/coder/websocket v1.8.15 h1:6B2JPeOGlpff2Uz6vOEH1Vzpi0iUz20A+lPVhPHtNUA=
+github.com/coder/websocket v1.8.15/go.mod h1:NX3SzP+inril6yawo5CQXx8+fk145lPDC6pumgx0mVg=
 github.com/containerd/continuity v0.4.5 h1:ZRoN1sXq9u7V6QoHMcVWGhOwDFqZ4B9i5H6un1Wh0x4=
 github.com/containerd/continuity v0.4.5/go.mod h1:/lNJvtJKUQStBzpVQ1+rasXO1LAWtUQssk28EZvJ3nE=
 github.com/containerd/errdefs v1.0.0 h1:tg5yIfIlQIrxYtu9ajqY42W3lpS19XqdxRQeEwYG8PI=