fix: address review feedback for actions CLI module

Fix argument parsing bugs in the execute command where actionId at index 0
was incorrectly skipped when --instance was absent, and flag values matching
the actionId string were erroneously removed. Add --help support to the
execute command for CLI report generation. Add missing bin script and
cli-report.md for cli-module-actions. Add resolveAuth tests. Bump
backend-defaults changeset to minor for the security-relevant auth change.
Replace cross-fetch with native fetch in cli-module-auth to avoid punycode
deprecation warnings during CLI report generation.

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>
Made-with: Cursor

packages/cli/cli-report.md

@@ -12,6 +12,7 @@ Options:
   -h, --help
 
 Commands:
+  actions [command]
   auth [command]
   build-workspace
   config [command]
@@ -31,6 +32,83 @@ Commands:
   versions:migrate
 ```
 
+### `backstage-cli actions`
+
+```
+Usage: backstage-cli actions [options] [command] [command]
+
+Options:
+  -h, --help
+
+Commands:
+  execute
+  help [command]
+  list
+  sources [command]
+```
+
+### `backstage-cli actions execute`
+
+```
+Usage: backstage-cli actions execute
+
+Options:
+  --instance <string>
+  -h, --help
+```
+
+### `backstage-cli actions list`
+
+```
+Usage: backstage-cli actions list
+
+Options:
+  --instance <string>
+  -h, --help
+```
+
+### `backstage-cli actions sources`
+
+```
+Usage: backstage-cli actions sources [options] [command] [command]
+
+Options:
+  -h, --help
+
+Commands:
+  add
+  help [command]
+  list
+  remove
+```
+
+### `backstage-cli actions sources add`
+
+```
+Usage: backstage-cli actions sources add
+
+Options:
+  -h, --help
+```
+
+### `backstage-cli actions sources list`
+
+```
+Usage: backstage-cli actions sources list
+
+Options:
+  -h, --help
+```
+
+### `backstage-cli actions sources remove`
+
+```
+Usage: backstage-cli actions sources remove
+
+Options:
+  -h, --help
+```
+
 ### `backstage-cli auth`
 
 ```