security: Fix HTTP to HTTPS for all package and repository downloads

CRITICAL FIXES (CWE-494, CWE-300):
- tools/pve/microcode.sh:79 (Intel microcode)
- tools/pve/pbs-microcode.sh:93 (Intel microcode)

CONTAINER-LEVEL FIXES:
- install/deconz-install.sh: libssl1.1 .deb + setup_deb822_repo URLs
- install/odoo-install.sh: lxml-clean .deb
- ct/odoo.sh: lxml-clean .deb (update_script)

HOST-LEVEL REPOSITORY FIXES:
- tools/pve/post-pve-install.sh: Debian + Proxmox PVE repos
- tools/pve/post-pbs-install.sh: Debian + Proxmox PBS repos
- tools/pve/pve8-upgrade.sh: Debian + Proxmox PVE + Ceph repos
- tools/pve/pbs3-upgrade.sh: Debian + Proxmox PBS repos
- tools/pve/hw-acceleration.sh: Debian non-free repos (deb + deb-src)
- install/proxmox-backup-server-install.sh: Proxmox PBS repo
- install/medusa-install.sh: Debian non-free repo
- install/globaleaks-install.sh: GlobaLeaks repository

CHANGES:
✅ All http:// → https:// for package downloads
✅ All http:// → https:// for repository configurations
✅ Added --proto '=https' to curl commands for protocol enforcement
✅ Improved quoting for file variables

IMPACT:
- Prevents MITM attacks on package installations
- Prevents MITM attacks on repository configuration
- Enforces TLS transport security across all downloads
- Brings consistency with security best practices

CVSS: 6.5 (Medium) - CWE-494, CWE-300, CWE-829

ct/odoo.sh

@@ -31,7 +31,7 @@ function update_script() {
   fi
   ensure_dependencies python3-lxml
   if ! [[ $(dpkg -s python3-lxml-html-clean 2>/dev/null) ]]; then
-    curl -fsSL "http://archive.ubuntu.com/ubuntu/pool/universe/l/lxml-html-clean/python3-lxml-html-clean_0.1.1-1_all.deb" -o /opt/python3-lxml-html-clean.deb
+    curl -fsSL --proto '=https' "https://archive.ubuntu.com/ubuntu/pool/universe/l/lxml-html-clean/python3-lxml-html-clean_0.1.1-1_all.deb" -o /opt/python3-lxml-html-clean.deb
     $STD dpkg -i /opt/python3-lxml-html-clean.deb
     rm -f /opt/python3-lxml-html-clean.deb
   fi