[cmake] Update CPMUtil (#4123)

Notable changes

- Single cpmfile
- version/min_version/git_version have been fixed and replaced with
  version and min_version
- Docs rewrite
- Legacy options are gone
- Fixed update/version commands
- Added patch creation functionality

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4123
Reviewed-by: Lizzie <lizzie@eden-emu.dev>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>

tools/cpm/package/vars/url.sh

@@ -1,32 +0,0 @@
-#!/bin/sh
-
-# SPDX-FileCopyrightText: Copyright 2025 crueter
-# SPDX-License-Identifier: LGPL-3.0-or-later
-
-# Required vars: URL, GIT_HOST, REPO, TAG, ARTIFACT, BRANCH, SHA
-if [ "$URL" != "null" ]; then
-	DOWNLOAD="$URL"
-elif [ "$REPO" != "null" ]; then
-	GIT_URL="https://$GIT_HOST/$REPO"
-
-	if [ "$TAG" != "null" ]; then
-		if [ "$ARTIFACT" != "null" ]; then
-			DOWNLOAD="${GIT_URL}/releases/download/${TAG}/${ARTIFACT}"
-		else
-			DOWNLOAD="${GIT_URL}/archive/refs/tags/${TAG}.tar.gz"
-		fi
-	elif [ "$SHA" != "null" ]; then
-		DOWNLOAD="${GIT_URL}/archive/${SHA}.tar.gz"
-	else
-		if [ "$BRANCH" = null ]; then
-			BRANCH=master
-		fi
-
-		DOWNLOAD="${GIT_URL}/archive/refs/heads/${BRANCH}.tar.gz"
-	fi
-else
-	echo "!! No repo or URL defined for $PACKAGE_NAME"
-	exit 1
-fi
-
-export DOWNLOAD