Bump golang.org/x/text from 0.21.0 to 0.23.0 (closes #37)

Bumps [golang.org/x/text](https://github.com/golang/text) from 0.21.0 to 0.23.0.
- [Release notes](https://github.com/golang/text/releases)
- [Commits](https://github.com/golang/text/compare/v0.21.0...v0.23.0)

Change-Id: Id86d2c489b770eb9d3605a1a8ada5ff4c160ee84

---
updated-dependencies:
- dependency-name: golang.org/x/text
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Change-Id: Id515c22a0e021bce05a3e51674d0c4386a41255a
diff --git a/go.mod b/go.mod
index 2a746be..4c23752 100644
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,7 @@
 module github.com/KorAP/Kalamar-Plugin-ExternalResources
 
 go 1.21.0
-
-toolchain go1.22.6
+toolchain go1.23.7
 
 // replace github.com/golang/protobuf => google.golang.org/protobuf v1.31.0
 
@@ -15,7 +14,7 @@
 	github.com/joho/godotenv v1.5.1
 	github.com/mattn/go-jsonpointer v0.0.1
 	github.com/stretchr/testify v1.10.0
-	golang.org/x/text v0.21.0
+	golang.org/x/text v0.23.0
 )
 
 require (