Support for Ubuntu 26.04

### Prerequisites

- [x] Write a descriptive title.
- [x] Make sure you are able to repro it on the [latest released version](https://github.com/PowerShell/PowerShell/releases)
- [x] Search the existing issues.
- [x] Refer to the [FAQ](https://github.com/PowerShell/PowerShell/blob/master/docs/FAQ.md).
- [x] Refer to [Differences between Windows PowerShell 5.1 and PowerShell](https://learn.microsoft.com/powershell/scripting/whats-new/differences-from-windows-powershell).

### Steps to reproduce

Try to install pwsh on ubuntu 26.04 using the [official docs](https://learn.microsoft.com/en-us/powershell/scripting/install/install-ubuntu?view=powershell-7.6)

``` bash
#!/bin/bash
###################################
# Prerequisites

# Update the list of packages
sudo apt-get update

# Install pre-requisite packages.
sudo apt-get install -y wget apt-transport-https software-properties-common

# Get the version of Ubuntu
source /etc/os-release

# Download the Microsoft repository keys
wget -q https://packages.microsoft.com/config/ubuntu/$VERSION_ID/packages-microsoft-prod.deb

# Register the Microsoft repository keys
sudo dpkg -i packages-microsoft-prod.deb

# Delete the Microsoft repository keys file
rm packages-microsoft-prod.deb

# Update the list of packages after we added packages.microsoft.com
sudo apt-get update

###################################
# Install PowerShell
sudo apt-get install -y powershell

# Start PowerShell
pwsh
```

### Expected behavior

```console
Pwsh is installed
```

### Actual behavior

```console
E: Unable to locate package powershell
```

### Error details

```console
Hit:1 http://security.ubuntu.com/ubuntu resolute-security InRelease
Hit:2 http://archive.ubuntu.com/ubuntu resolute InRelease                                                                       
Hit:3 http://archive.ubuntu.com/ubuntu resolute-updates InRelease                                                               
Hit:4 https://download.docker.com/linux/ubuntu resolute InRelease   
Hit:5 http://archive.ubuntu.com/ubuntu resolute-backports InRelease 
Hit:6 https://packages.microsoft.com/ubuntu/26.04/prod resolute InRelease
Reading package lists... Done
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
wget is already the newest version (1.25.0-2ubuntu4).
apt-transport-https is already the newest version (3.2.0).
software-properties-common is already the newest version (0.120).
Solving dependencies... Done
The following packages were automatically installed and are no longer required:
  linux-headers-7.0.0-14 linux-headers-7.0.0-14-generic linux-image-unsigned-7.0.0-14-generic linux-main-modules-zfs-7.0.0-14-generic linux-modules-7.0.0-14-generic linux-tools-7.0.0-14 linux-tools-7.0.0-14-generic
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
(Reading database… 140251 files and directories currently installed.)
Preparing to unpack packages-microsoft-prod.deb…
Unpacking packages-microsoft-prod (1.2-ubuntu26.04) over (1.2-ubuntu26.04)…
Setting up packages-microsoft-prod (1.2-ubuntu26.04)…
File /usr/share/keyrings/microsoft-prod.gpg is missing. Installing...
Hit:1 http://security.ubuntu.com/ubuntu resolute-security InRelease
Hit:2 https://packages.microsoft.com/ubuntu/26.04/prod resolute InRelease                       
Hit:3 http://archive.ubuntu.com/ubuntu resolute InRelease                                       
Hit:4 http://archive.ubuntu.com/ubuntu resolute-updates InRelease                               
Hit:5 https://download.docker.com/linux/ubuntu resolute InRelease
Hit:6 http://archive.ubuntu.com/ubuntu resolute-backports InRelease
Reading package lists... Done
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package powershell
Command 'pwsh' not found, did you mean:
  command 'wsh' from deb wcc (0.0.7+dfsg-2build2)
  command 'posh' from deb posh (0.14.3)
  command 'pdsh' from deb pdsh (2.35-3)
  command 'ppsh' from deb ppsh (1.10-5)
Try: sudo apt install <deb name>
```

### Environment data

```powershell
PRETTY_NAME="Ubuntu 26.04 LTS"
NAME="Ubuntu"
VERSION_ID="26.04"
VERSION="26.04 (Resolute Raccoon)"
VERSION_CODENAME=resolute
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=resolute
LOGO=ubuntu-logo
```

### Visuals

_No response_

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Uh oh!

Support for Ubuntu 26.04 #27388

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Uh oh!

Support for Ubuntu 26.04 #27388

Description

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Steps to reproduce

Expected behavior

Actual behavior

Error details

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Visuals

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Metadata

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Type

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