deps(docker): Upgrade Provenant to version 0.1.8

See [1].

[1]: https://github.com/mstykow/provenant/releases/tag/v0.1.8

Signed-off-by: Sebastian Schuberth <sebastian@doubleopen.io>

Author: sschuberth

.env.versions

@@ -20,7 +20,7 @@ NODEJS_VERSION=24.15.0
 NUGET_INSPECTOR_VERSION=0.10.0
 PHP_VERSION=8.3
 PIP_VERSION=25.3.0
-PROVENANT_VERSION=0.1.6
+PROVENANT_VERSION=0.1.8
 PYENV_GIT_TAG=v2.6.11
 PYTHON_INSPECTOR_VERSION=0.15.2
 PYTHON_PIPENV_VERSION=2023.12.1