Bump github.com/go-git/go-git/v6

Bumps [github.com/go-git/go-git/v6](https://github.com/go-git/go-git) from 6.0.0-20260305211659-2083cf940afa to 6.0.0-alpha.2.
- [Release notes](https://github.com/go-git/go-git/releases)
- [Changelog](https://github.com/go-git/go-git/blob/main/HISTORY.md)
- [Commits](https://github.com/go-git/go-git/commits/v6.0.0-alpha.2)

---
updated-dependencies:
- dependency-name: github.com/go-git/go-git/v6
  dependency-version: 6.0.0-alpha.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

go.mod

@@ -8,8 +8,8 @@ require (
 	github.com/carabiner-dev/signer v0.4.5
 	github.com/carabiner-dev/vcslocator v0.4.3
 	github.com/fatih/color v1.19.0
-	github.com/go-git/go-billy/v6 v6.0.0-20260226131633-45bd0956d66f
-	github.com/go-git/go-git/v6 v6.0.0-20260305211659-2083cf940afa
+	github.com/go-git/go-billy/v6 v6.0.0-20260328065524-593ae452e14d
+	github.com/go-git/go-git/v6 v6.0.0-alpha.2
 	github.com/google/go-github/v69 v69.2.0
 	github.com/google/uuid v1.6.0
 	github.com/hashicorp/go-retryablehttp v0.7.8

go.sum

@@ -177,16 +177,16 @@ github.com/go-git/gcfg/v2 v2.0.2 h1:MY5SIIfTGGEMhdA7d7JePuVVxtKL7Hp+ApGDJAJ7dpo=
 github.com/go-git/gcfg/v2 v2.0.2/go.mod h1:/lv2NsxvhepuMrldsFilrgct6pxzpGdSRC13ydTLSLs=
 github.com/go-git/go-billy/v5 v5.8.1-0.20260407233109-416e0a5b21a8 h1:Ol1+pjteoiYrrxjMmR+YvpS23HGy6B0YPVjvk7CnRDY=
 github.com/go-git/go-billy/v5 v5.8.1-0.20260407233109-416e0a5b21a8/go.mod h1:RpvI/rw4Vr5QA+Z60c6d6LXH0rYJo0uD5SqfmrrheCY=
-github.com/go-git/go-billy/v6 v6.0.0-20260226131633-45bd0956d66f h1:Uvbx7nITO3Sd1GdXarX0TbyYmOaSNIJP0mm4LocEyyA=
-github.com/go-git/go-billy/v6 v6.0.0-20260226131633-45bd0956d66f/go.mod h1:ZW9JC5gionMP1kv5uiaOaV23q0FFmNrVOV8VW+y/acc=
+github.com/go-git/go-billy/v6 v6.0.0-20260328065524-593ae452e14d h1:bLMI9z4mKkfQO383+O3fkP4xdWQcMdnn5fFBMwaBC1M=
+github.com/go-git/go-billy/v6 v6.0.0-20260328065524-593ae452e14d/go.mod h1:LLeMBFApkgIKwMzirxpU9XB7NvO2HdTw5FXmeP1M6c8=
 github.com/go-git/go-git-fixtures/v4 v4.3.2-0.20231010084843-55a94097c399 h1:eMje31YglSBqCdIqdhKBW8lokaMrL3uTkpGYlE2OOT4=
 github.com/go-git/go-git-fixtures/v4 v4.3.2-0.20231010084843-55a94097c399/go.mod h1:1OCfN199q1Jm3HZlxleg+Dw/mwps2Wbk9frAWm+4FII=
-github.com/go-git/go-git-fixtures/v5 v5.1.2-0.20260122163445-0622d7459a67 h1:3hutPZF+/FBjR/9MdsLJ7e1mlt9pwHgwxMW7CrbmWII=
-github.com/go-git/go-git-fixtures/v5 v5.1.2-0.20260122163445-0622d7459a67/go.mod h1:xKt0pNHST9tYHvbiLxSY27CQWFwgIxBJuDrOE0JvbZw=
+github.com/go-git/go-git-fixtures/v6 v6.0.0-20260405195209-b16dd39735e0 h1:XoTsdvaghuVfIr7HpNTmFDLu2nz3I2iGqyn6Uk6MkJc=
+github.com/go-git/go-git-fixtures/v6 v6.0.0-20260405195209-b16dd39735e0/go.mod h1:1Lr7/vYEYyl6Ir9Ku0tKrCIRreM5zovv0Jdx2MPSM4s=
 github.com/go-git/go-git/v5 v5.18.0 h1:O831KI+0PR51hM2kep6T8k+w0/LIAD490gvqMCvL5hM=
 github.com/go-git/go-git/v5 v5.18.0/go.mod h1:pW/VmeqkanRFqR6AljLcs7EA7FbZaN5MQqO7oZADXpo=
-github.com/go-git/go-git/v6 v6.0.0-20260305211659-2083cf940afa h1:fIbZ264qSeJ+GRz+5nq6SFonkCanp/6CRXhYutq8GlE=
-github.com/go-git/go-git/v6 v6.0.0-20260305211659-2083cf940afa/go.mod h1:V/qoTD4qCYizR+fKFA9++d2APoE8Yheci7dXALaSeuI=
+github.com/go-git/go-git/v6 v6.0.0-alpha.2 h1:T3loNtDuAixNzXtlQxZhnYiYpaQ3CA4vn9RssAniEeI=
+github.com/go-git/go-git/v6 v6.0.0-alpha.2/go.mod h1:oCD3i19CTz7gBpeb11ZZqL91WzqbMq9avn5KpUYy/Ak=
 github.com/go-jose/go-jose/v4 v4.1.4 h1:moDMcTHmvE6Groj34emNPLs/qtYXRVcd6S7NHbHz3kA=
 github.com/go-jose/go-jose/v4 v4.1.4/go.mod h1:x4oUasVrzR7071A4TnHLGSPpNOm2a21K9Kf04k1rs08=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=