Bump golang.org/x/mod

Bumps the extractor-dependencies group in /go/extractor with 1 update: [golang.org/x/mod](https://github.com/golang/mod).


Updates `golang.org/x/mod` from 0.29.0 to 0.30.0
- [Commits](golang/mod@v0.29.0...v0.30.0)

---
updated-dependencies:
- dependency-name: golang.org/x/mod
  dependency-version: 0.30.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: extractor-dependencies
...

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

Author: dependabot[bot]

go/extractor/go.mod

@@ -9,7 +9,7 @@ toolchain go1.25.0
 // when adding or removing dependencies, run
 //    bazel mod tidy
 require (
-	golang.org/x/mod v0.29.0
+	golang.org/x/mod v0.30.0
 	golang.org/x/tools v0.38.0
 )
 

go/extractor/go.sum

@@ -1,7 +1,7 @@
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-golang.org/x/mod v0.29.0 h1:HV8lRxZC4l2cr3Zq1LvtOsi/ThTgWnUk/y64QSs8GwA=
-golang.org/x/mod v0.29.0/go.mod h1:NyhrlYXJ2H4eJiRy/WDBO6HMqZQ6q9nk4JzS3NuCK+w=
+golang.org/x/mod v0.30.0 h1:fDEXFVZ/fmCKProc/yAXXUijritrDzahmwwefnjoPFk=
+golang.org/x/mod v0.30.0/go.mod h1:lAsf5O2EvJeSFMiBxXDki7sCgAxEUcZHXoXMKT4GJKc=
 golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
 golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/tools v0.38.0 h1:Hx2Xv8hISq8Lm16jvBZ2VQf+RLmbd7wVUsALibYI/IQ=