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 2.0.20 to 2.0.21.
- [Release notes](https://github.com/lestrrat-go/jwx/releases)
- [Changelog](https://github.com/lestrrat-go/jwx/blob/develop/v2/Changes)
- [Commits](lestrrat-go/jwx@v2.0.20...v2.0.21)

---
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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

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 v2.0.20
+	github.com/lestrrat-go/jwx/v2 v2.0.21
 	github.com/lib/pq v1.10.9
 	github.com/nicksnyder/go-i18n/v2 v2.4.0
 	github.com/ory/dockertest/v3 v3.10.0
@@ -110,7 +110,7 @@ require (
 	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/lestrrat-go/blackmagic v1.0.2 // indirect
 	github.com/lestrrat-go/httpcc v1.0.1 // indirect
-	github.com/lestrrat-go/httprc v1.0.4 // indirect
+	github.com/lestrrat-go/httprc v1.0.5 // indirect
 	github.com/lestrrat-go/iter v1.0.2 // indirect
 	github.com/lestrrat-go/option v1.0.1 // indirect
 	github.com/luna-duclos/instrumentedsql v1.1.3 // indirect

backend/go.sum

@@ -390,12 +390,12 @@ github.com/lestrrat-go/blackmagic v1.0.2 h1:Cg2gVSc9h7sz9NOByczrbUvLopQmXrfFx//N
 github.com/lestrrat-go/blackmagic v1.0.2/go.mod h1:UrEqBzIR2U6CnzVyUtfM6oZNMt/7O7Vohk2J0OGSAtU=
 github.com/lestrrat-go/httpcc v1.0.1 h1:ydWCStUeJLkpYyjLDHihupbn2tYmZ7m22BGkcvZZrIE=
 github.com/lestrrat-go/httpcc v1.0.1/go.mod h1:qiltp3Mt56+55GPVCbTdM9MlqhvzyuL6W/NMDA8vA5E=
-github.com/lestrrat-go/httprc v1.0.4 h1:bAZymwoZQb+Oq8MEbyipag7iSq6YIga8Wj6GOiJGdI8=
-github.com/lestrrat-go/httprc v1.0.4/go.mod h1:mwwz3JMTPBjHUkkDv/IGJ39aALInZLrhBp0X7KGUZlo=
+github.com/lestrrat-go/httprc v1.0.5 h1:bsTfiH8xaKOJPrg1R+E3iE/AWZr/x0Phj9PBTG/OLUk=
+github.com/lestrrat-go/httprc v1.0.5/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 v2.0.20 h1:sAgXuWS/t8ykxS9Bi2Qtn5Qhpakw1wrcjxChudjolCc=
-github.com/lestrrat-go/jwx/v2 v2.0.20/go.mod h1:UlCSmKqw+agm5BsOBfEAbTvKsEApaGNqHAEUTv5PJC4=
+github.com/lestrrat-go/jwx/v2 v2.0.21 h1:jAPKupy4uHgrHFEdjVjNkUgoBKtVDgrQPB/h55FHrR0=
+github.com/lestrrat-go/jwx/v2 v2.0.21/go.mod h1:09mLW8zto6bWL9GbwnqAli+ArLf+5M33QLQPDggkUWM=
 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=