gh: more reliable BAWT download through HTTPS

Signed-off-by: Xavier Delaruelle <xavier.delaruelle@cea.fr>

Author: xdelaruelle

.github/workflows/windows_tests.yaml

@@ -12,7 +12,7 @@ jobs:
     runs-on: windows-2022
     env:
       TCL_INSTALLER: SetupTcl-8.6.17-x64_Bawt-3.2.0
-      TCL_DL_URL: http://www.bawt.tcl3d.org/download/Tcl-Pure
+      TCL_DL_URL: https://www.bawt.tcl3d.org/download/Tcl-Pure
       TCLSH_DIR: C:\Tcl\bin
       DIST_WIN: modules-*-win
       MODULE_DIR: C:\Program Files\Environment Modules\bin

.hunspell.en.dic

@@ -1337,3 +1337,4 @@ GHA
 ts
 OSX
 BAWT
+HTTPS