Bump golang.org/x/text from 0.3.7 to 0.3.8 in /v3/integrations/nrpgx

Bumps [golang.org/x/text](https://github.com/golang/text) from 0.3.7 to 0.3.8.
- [Release notes](https://github.com/golang/text/releases)
- [Commits](golang/text@v0.3.7...v0.3.8)

---
updated-dependencies:
- dependency-name: golang.org/x/text
  dependency-type: indirect
...

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

v3/integrations/nrpgx/go.mod

@@ -5,10 +5,10 @@ module github.com/newrelic/go-agent/v3/integrations/nrpgx
 go 1.11
 
 require (
-	github.com/jackc/pgx v3.6.2+incompatible // indirect
-	github.com/jackc/pgx/v4 v4.13.0 // indirect
-	github.com/newrelic/go-agent/v3 v3.3.0 // indirect
+	github.com/jackc/fake v0.0.0-20150926172116-812a484cc733 // indirect
+	github.com/jackc/pgx v3.6.2+incompatible
+	github.com/jackc/pgx/v4 v4.13.0
+	github.com/newrelic/go-agent/v3 v3.3.0
 	github.com/pkg/errors v0.9.1 // indirect
-	golang.org/x/crypto v0.0.0-20210813211128-0a44fdfbc16e // indirect
-	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/text v0.3.8 // indirect
 )