chore(deps): bump github.com/lestrrat-go/jwx/v2 in /backend

Bumps [github.com/lestrrat-go/jwx/v2](https://github.com/lestrrat-go/jwx) from 2.0.19 to 2.0.20.
- [Release notes](https://github.com/lestrrat-go/jwx/releases)
- [Changelog](https://github.com/lestrrat-go/jwx/blob/develop/v2/Changes)
- [Commits](lestrrat-go/jwx@v2.0.19...v2.0.20)

---
updated-dependencies:
- dependency-name: github.com/lestrrat-go/jwx/v2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

backend/go.mod

@@ -25,7 +25,7 @@ require (
 	github.com/labstack/echo-jwt/v4 v4.2.0
 	github.com/labstack/echo/v4 v4.11.4
 	github.com/labstack/gommon v0.4.2
-	github.com/lestrrat-go/jwx/v2 v2.0.19
+	github.com/lestrrat-go/jwx/v2 v2.0.20
 	github.com/lib/pq v1.10.9
 	github.com/nicksnyder/go-i18n/v2 v2.4.0
 	github.com/ory/dockertest/v3 v3.10.0

backend/go.sum

@@ -394,8 +394,8 @@ github.com/lestrrat-go/httprc v1.0.4 h1:bAZymwoZQb+Oq8MEbyipag7iSq6YIga8Wj6GOiJG
 github.com/lestrrat-go/httprc v1.0.4/go.mod h1:mwwz3JMTPBjHUkkDv/IGJ39aALInZLrhBp0X7KGUZlo=
 github.com/lestrrat-go/iter v1.0.2 h1:gMXo1q4c2pHmC3dn8LzRhJfP1ceCbgSiT9lUydIzltI=
 github.com/lestrrat-go/iter v1.0.2/go.mod h1:Momfcq3AnRlRjI5b5O8/G5/BvpzrhoFTZcn06fEOPt4=
-github.com/lestrrat-go/jwx/v2 v2.0.19 h1:ekv1qEZE6BVct89QA+pRF6+4pCpfVrOnEJnTnT4RXoY=
-github.com/lestrrat-go/jwx/v2 v2.0.19/go.mod h1:l3im3coce1lL2cDeAjqmaR+Awx+X8Ih+2k8BuHNJ4CU=
+github.com/lestrrat-go/jwx/v2 v2.0.20 h1:sAgXuWS/t8ykxS9Bi2Qtn5Qhpakw1wrcjxChudjolCc=
+github.com/lestrrat-go/jwx/v2 v2.0.20/go.mod h1:UlCSmKqw+agm5BsOBfEAbTvKsEApaGNqHAEUTv5PJC4=
 github.com/lestrrat-go/option v1.0.1 h1:oAzP2fvZGQKWkvHa1/SAcFolBEca1oN+mQ7eooNBEYU=
 github.com/lestrrat-go/option v1.0.1/go.mod h1:5ZHFbivi4xwXxhxY9XHDe2FHo6/Z7WWmtT7T5nBBp3I=
 github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=