Update module golang.org/x/oauth2 to v0.29.0 (forgejo) (go-gitea#7475)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [golang.org/x/oauth2](https://pkg.go.dev/golang.org/x/oauth2) | require | minor | [`v0.28.0` -> `v0.29.0`](https://cs.opensource.google/go/x/oauth2/+/refs/tags/v0.28.0...refs/tags/v0.29.0) |

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Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/7475
Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org>
Co-authored-by: Renovate Bot <forgejo-renovate-action@forgejo.org>
Co-committed-by: Renovate Bot <forgejo-renovate-action@forgejo.org>

Author: Renovate Bot

go.mod

@@ -104,7 +104,7 @@ require (
 	golang.org/x/crypto v0.36.0
 	golang.org/x/image v0.25.0
 	golang.org/x/net v0.38.0
-	golang.org/x/oauth2 v0.28.0
+	golang.org/x/oauth2 v0.29.0
 	golang.org/x/sync v0.12.0
 	golang.org/x/sys v0.31.0
 	golang.org/x/text v0.23.0

go.sum

@@ -1678,8 +1678,8 @@ golang.org/x/oauth2 v0.4.0/go.mod h1:RznEsdpjGAINPTOF0UH/t+xJ75L18YO3Ho6Pyn+uRec
 golang.org/x/oauth2 v0.5.0/go.mod h1:9/XBHVqLaWO3/BRHs5jbpYCnOZVjj5V0ndyaAM7KB4I=
 golang.org/x/oauth2 v0.6.0/go.mod h1:ycmewcwgD4Rpr3eZJLSB4Kyyljb3qDh40vJ8STE5HKw=
 golang.org/x/oauth2 v0.7.0/go.mod h1:hPLQkd9LyjfXTiRohC/41GhcFqxisoUQ99sCUOHO9x4=
-golang.org/x/oauth2 v0.28.0 h1:CrgCKl8PPAVtLnU3c+EDw6x11699EWlsDeWNWKdIOkc=
-golang.org/x/oauth2 v0.28.0/go.mod h1:onh5ek6nERTohokkhCD/y2cV4Do3fxFHFuAejCkRWT8=
+golang.org/x/oauth2 v0.29.0 h1:WdYw2tdTK1S8olAzWHdgeqfy+Mtm9XNhv/xJsY65d98=
+golang.org/x/oauth2 v0.29.0/go.mod h1:onh5ek6nERTohokkhCD/y2cV4Do3fxFHFuAejCkRWT8=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=