feat(conan): Add support for Conan 2

The Conan package manager now supports Conan version 2 executable. Create a
new handler to support the differences between Conan 1 and Conan 2 data
models.
This first implementation is not perfect as there are some shortcomings
outlined in the functional tests: Conan 2 returns more packages in the
dependency tree than Conan 1. Additionally, sometimes those packages are
resolved at a higher version compared to Conan 1.

Unfortunately, with the current configuration, it is not possible to have
a functional test that tests both versions of Conan at the same time: Only
one "conan" command can be installed and made available on the PATH
environment. A future commit will add a parameter to the package manager to
address this issue.

Fixes #8383.

Signed-off-by: Sebastian Schuberth <[email protected]>
Signed-off-by: Nicolas Nobelis <[email protected]>

Author: nnobelis

plugins/package-managers/conan/src/funTest/assets/projects/synthetic/conan-py-lockfile/lockfile_conan2.lock

@@ -0,0 +1,18 @@
+{
+    "version": "0.5",
+    "requires": [
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+        "zlib/1.3.1",
+        "sqlite3/3.45.0#3a7911478ffd14e7acc694ac113449b6%1707810434.986",
+        "pcre2/10.42#ac2227071f79a062167cf2fee7189d66%1727865720.942",
+        "openssl/3.3.1",
+        "lz4/1.9.4#652b313a0444c8b1d60d1bf9e95fb0a1%1721807480.477",
+        "libpq/15.4#cca9970f349bcdb6c8b35acd017ee5aa%1736524835.063",
+        "libmysqlclient/8.1.0#ecca1993f7ce32371ef5436f3639074a%1704273465.815",
+        "expat/2.6.3",
+        "bzip2/1.0.8#d00dac990f08d991998d624be81a9526%1724661266.998"
+    ],
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+    "python_requires": [],
+    "config_requires": []
+}

plugins/package-managers/conan/src/funTest/assets/projects/synthetic/conan2-expected-output-py.yml

@@ -0,0 +1,337 @@
+---
+project:
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