v0.6.17: bundle requests and dependencies in AppImage

Add requests + urllib3 + certifi + charset_normalizer + idna to
requirements.txt and PyInstaller hiddenimports so the Canvas API
call works inside the AppImage.

Author: nodeeeeee

build.spec

@@ -44,6 +44,13 @@ a = Analysis(
         "flet_core",
         "flet_runtime",
         "flet_desktop",
+        "requests",
+        "requests.adapters",
+        "requests.auth",
+        "urllib3",
+        "certifi",
+        "charset_normalizer",
+        "idna",
     ],
     hookspath=[],
     hooksconfig={},

requirements.txt

@@ -4,3 +4,4 @@ openai
 httpx
 anthropic
 pillow
+requests