build(deps): bump github.com/labstack/echo/v4 in /backend

Bumps [github.com/labstack/echo/v4](https://github.com/labstack/echo) from 4.10.2 to 4.11.4.
- [Release notes](https://github.com/labstack/echo/releases)
- [Changelog](https://github.com/labstack/echo/blob/master/CHANGELOG.md)
- [Commits](labstack/echo@v4.10.2...v4.11.4)

---
updated-dependencies:
- dependency-name: github.com/labstack/echo/v4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

backend/go.mod

@@ -19,7 +19,7 @@ require (
 	github.com/kinvolk/go-omaha v0.0.2-0.20221206142015-1518a03b832b
 	github.com/knadh/koanf v1.5.0
 	github.com/labstack/echo-contrib v0.15.0
-	github.com/labstack/echo/v4 v4.10.2
+	github.com/labstack/echo/v4 v4.11.4
 	github.com/labstack/gommon v0.4.2
 	github.com/lib/pq v1.10.9
 	github.com/oauth2-proxy/mockoidc v0.0.0-20220308204021-b9169deeb282

backend/go.sum

@@ -538,8 +538,8 @@ github.com/kyoh86/exportloopref v0.1.11 h1:1Z0bcmTypkL3Q4k+IDHMWTcnCliEZcaPiIe0/
 github.com/kyoh86/exportloopref v0.1.11/go.mod h1:qkV4UF1zGl6EkF1ox8L5t9SwyeBAZ3qLMd6up458uqA=
 github.com/labstack/echo-contrib v0.15.0 h1:9K+oRU265y4Mu9zpRDv3X+DGTqUALY6oRHCSZZKCRVU=
 github.com/labstack/echo-contrib v0.15.0/go.mod h1:lei+qt5CLB4oa7VHTE0yEfQSEB9XTJI1LUqko9UWvo4=
-github.com/labstack/echo/v4 v4.10.2 h1:n1jAhnq/elIFTHr1EYpiYtyKgx4RW9ccVgkqByZaN2M=
-github.com/labstack/echo/v4 v4.10.2/go.mod h1:OEyqf2//K1DFdE57vw2DRgWY0M7s65IVQO2FzvI4J5k=
+github.com/labstack/echo/v4 v4.11.4 h1:vDZmA+qNeh1pd/cCkEicDMrjtrnMGQ1QFI9gWN1zGq8=
+github.com/labstack/echo/v4 v4.11.4/go.mod h1:noh7EvLwqDsmh/X/HWKPUl1AjzJrhyptRyEbQJfxen8=
 github.com/labstack/gommon v0.4.2 h1:F8qTUNXgG1+6WQmqoUWnz8WiEU60mXVVw0P4ht1WRA0=
 github.com/labstack/gommon v0.4.2/go.mod h1:QlUFxVM+SNXhDL/Z7YhocGIBYOiwB0mXm1+1bAPHPyU=
 github.com/ldez/gomoddirectives v0.2.3 h1:y7MBaisZVDYmKvt9/l1mjNCiSA1BVn34U0ObUcJwlhA=