set fixed versions for renovatebot

Signed-off-by: Nicolas Drebenstedt <[email protected]>

mex-{{ cookiecutter.project_name }}/pyproject.toml

@@ -9,15 +9,15 @@ urls = { Repository = "https://github.com/robert-koch-institut/mex-{{ cookiecutt
 requires-python = "<3.13,>=3.11"
 dependencies = []
 optional-dependencies.dev = [
-    "black>=24.4.2",
-    "ipdb>=0.13.13",
-    "mypy>=1.10.0",
+    "black==24.4.2",
+    "ipdb==0.13.13",
+    "mypy==1.10.0",
     "pytest-cov>=5.0.0",
-    "pytest-random-order>=1.1.1",
-    "pytest-xdist>=3.6.1",
-    "pytest>=8.2.0",
-    "ruff>=0.4.4",
-    "sphinx>=7.3.7",
+    "pytest-random-order==1.1.1",
+    "pytest-xdist==3.6.1",
+    "pytest==8.2.0",
+    "ruff==0.4.4",
+    "sphinx==7.3.7",
 ]
 
 [project.scripts]
@@ -126,5 +126,5 @@ known-first-party = ["mex", "tests"]
 convention = "google"
 
 [build-system]
-requires = ["pdm-backend>=2.3.0"]
+requires = ["pdm-backend==2.3.0"]
 build-backend = "pdm.backend"