Remove CI pins and remember how basic logic works

.github/workflows/build_docs.yml

@@ -48,7 +48,7 @@ jobs:
           cache: pip
 
       - name: Install docgen from source
-        run: pip install .[ci] hatch
+        run: pip install . hatch
       
       - name: List book languages
         id: list-langs

doc/src/hexdoc/hexdoc.py

@@ -231,7 +231,7 @@ def main(args: Args | None = None) -> None:
                         book=book,
                         props=props,
                         url=url,
-                        is_bleeding_edge=version != "latest",
+                        is_bleeding_edge=version == "latest",
                     )
                 )
 

pyproject.toml

@@ -31,13 +31,6 @@ dev = [
     "pytest>=7.3.1",
     "syrupy>=4.0.2",
 ]
-ci = [
-    "typing_extensions==4.6.1",
-    "importlib_resources==6.0.1",
-    "pydantic==2.3.0",
-    "Jinja2==3.1.2",
-    "pyjson5==1.6.3",
-]
 
 [project.scripts]
 hexdoc = "hexdoc.hexdoc:main"