New module for cargo command (#3712)

* New module for cargo command

* Resolve CI errors

* Update plugins/modules/packaging/language/cargo.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Update plugins/modules/packaging/language/cargo.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Update plugins/modules/packaging/language/cargo.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Add maintainer

* Change installed_packages from property to function

* Allow cargo to install list of of packages

* Remove period at the end of task names

* Pass only the list of packages to take action on to cargo

* Add integration tests for cargo

* Update plugins/modules/packaging/language/cargo.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Apply suggestions from code review

* Update tests/integration/targets/cargo/tasks/setup.yml

* Update tests/integration/targets/cargo/tasks/setup.yml

Co-authored-by: Felix Fontein <felix@fontein.de>

tests/integration/targets/cargo/tasks/test_general.yml

@@ -0,0 +1,31 @@
+---
+- name: Ensure application helloworld is uninstalled
+  community.general.cargo:
+    state: absent
+    name: helloworld
+  register: uninstall_absent_helloworld
+
+- name: Install application helloworld
+  community.general.cargo:
+    name: helloworld
+  register: install_absent_helloworld
+
+- name: Install application helloworld again
+  community.general.cargo:
+    name: helloworld
+  register: install_present_helloworld
+  ignore_errors: yes
+
+- name: Uninstall application helloworld
+  community.general.cargo:
+    state: absent
+    name: helloworld
+  register: uninstall_present_helloworld
+
+- name: Check assertions helloworld
+  assert:
+    that:
+        - uninstall_absent_helloworld is not changed
+        - install_absent_helloworld is changed
+        - install_present_helloworld is not changed
+        - uninstall_present_helloworld is changed