Allow tags strings containing commas in proxmox inventory plug-in (#1949) (#1998)

* Included explicit parsing for proxmox guest tags and updated corresponding unit test with tags key

* Including changelog fragment for PR 1949

* Removed ellipsis from test

Proxmox only permits periods when surrounded by alphanumeric characters

* Corrected punctuation for changelog entry

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

* Allowing tags string to contain commas

* Incorporated new parsed tags fact with bugfix

* Correcting whitespace issues

* Update changelogs/fragments/1949-proxmox-inventory-tags.yml

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

* Update plugins/inventory/proxmox.py

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

* Update changelogs/fragments/1949-proxmox-inventory-tags.yml

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

Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit d0bb74a03b)

Co-authored-by: Ajpantuso <ajpantuso@gmail.com>

tests/unit/plugins/inventory/test_proxmox.py

@@ -71,7 +71,8 @@ def get_json(url):
                  "status": "running",
                  "vmid": "100",
                  "disk": "1000",
-                 "uptime": 1000}]
+                 "uptime": 1000,
+                 "tags": "test, tags, here"}]
     elif url == "https://localhost:8006/api2/json/nodes/testnode/qemu":
         # _get_qemu_per_node
         return [{"name": "test-qemu",
@@ -105,7 +106,8 @@ def get_json(url):
                  "vmid": "9001",
                  "uptime": 0,
                  "disk": 0,
-                 "status": "stopped"}]
+                 "status": "stopped",
+                 "tags": "test, tags, here"}]
     elif url == "https://localhost:8006/api2/json/pools/test":
         # _get_members_per_pool
         return {"members": [{"uptime": 1000,