test(e2e): add E2E tests for .kbcignore branch/Name pattern (PSGO-198)

Two CLI E2E tests verify the branch ignore feature end-to-end:

- push/ignore-branch: two branches locally, foo ignored via branch/foo
  in .kbcignore; only Main description change is pushed, foo stays
  untouched on remote
- pull/ignore-branch: two branches on remote, foo ignored; only Main
  is pulled locally, no foo/ directory created, manifest lists Main only

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Matovidlo

test/cli/pull/ignore-branch/args

@@ -0,0 +1 @@
+pull --verbose --storage-api-token %%TEST_KBC_STORAGE_API_TOKEN%%

test/cli/pull/ignore-branch/expected-code

@@ -0,0 +1 @@
+0

test/cli/pull/ignore-branch/expected-stderr

@@ -0,0 +1 @@
+

test/cli/pull/ignore-branch/expected-stdout

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+%A
+DEBUG	Project state has been successfully loaded.
+%A
+Plan for "pull" operation:
+  + B main
+  + C main/extractor/ex-generic-v2/without-rows
+%A
+DEBUG	Saved ".keboola/manifest.json"
+%A
+INFO	Pull done.
+%A
+DEBUG	Sent "sync-pull" successful event id: "%s"

test/cli/pull/ignore-branch/in/.gitkeep

@@ -0,0 +1 @@
+branch/foo

test/cli/pull/ignore-branch/in/.keboola/.kbcignore

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+{
+  "version": 2,
+  "project": {
+    "id": %%TEST_KBC_PROJECT_ID%%,
+    "apiHost": "%%TEST_KBC_STORAGE_API_HOST%%"
+  },
+  "allowTargetEnv": false,
+  "sortBy": "path",
+  "naming": {
+    "branch": "{branch_name}",
+    "config": "{component_type}/{component_id}/{config_name}",
+    "configRow": "rows/{config_row_name}",
+    "schedulerConfig": "schedules/{config_name}",
+    "sharedCodeConfig": "_shared/{target_component_id}",
+    "sharedCodeConfigRow": "codes/{config_row_name}",
+    "variablesConfig": "variables",
+    "variablesValuesRow": "values/{config_row_name}",
+    "dataAppConfig": "app/{component_id}/{config_name}"
+  },
+  "allowedBranches": [
+    "__all__"
+  ],
+  "ignoredComponents": [],
+  "templates": {
+    "repositories": [
+      {
+        "type": "git",
+        "name": "keboola",
+        "url": "https://github.com/keboola/keboola-as-code-templates.git",
+        "ref": "main"
+      }
+    ]
+  },
+  "branches": [],
+  "configurations": []
+}

test/cli/pull/ignore-branch/in/.keboola/manifest.json

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+{
+  "allBranchesConfigs": [],
+  "branches": [
+    {
+      "branch": {
+        "name": "Main",
+        "isDefault": true
+      },
+      "configs": [
+        "without-rows"
+      ]
+    },
+    {
+      "branch": {
+        "name": "foo",
+        "isDefault": false
+      },
+      "configs": [
+        "without-rows"
+      ]
+    }
+  ]
+}