Fix PyPI regex and switch Bicep modules to /api/bicep-modules endpoint

catalog.py: Fix HTML parsing regex — pypi-server.i80.dk uses relative hrefs
  like href="pkg-name/" not /simple/pkg-name/. Use simpler <a> text extractor.
modules.py: Replace /call-tool POST (wrong) with GET /api/bicep-modules (new REST
  endpoint added to DevOpsMCP). Simpler, no MCP protocol overhead.

ilsp/python_lsp/catalog.py

@@ -64,16 +64,18 @@ class PypiCatalog:
                 resp.raise_for_status()
                 html = await resp.text()
 
-        # Parse simple index HTML — each <a href="/simple/pkg-name/"> pkg-name </a>
+        # Parse simple index HTML — each <a href="pkg-name/">pkg-name</a><br>
+        # The pypi-server.i80.dk simple index uses relative hrefs: href="pkg-name/"
         import re
-        for match in re.finditer(r'href="[^"]+/([^/]+)/"[^>]*>([^<]+)<', html):
-            pkg_name = match.group(2).strip()
-            packages.append({
-                "name": pkg_name,
-                "label": pkg_name,
-                "detail": f"i80 package — pypi-server.i80.dk",
-                "sort_prefix": "0_i80_",  # sorts before standard packages
-            })
+        for match in re.finditer(r'<a\s+href="[^"]*">([^<]+)</a>', html):
+            pkg_name = match.group(1).strip()
+            if pkg_name:
+                packages.append({
+                    "name": pkg_name,
+                    "label": pkg_name,
+                    "detail": "i80 package — pypi-server.i80.dk",
+                    "sort_prefix": "0_i80_",  # sorts before standard packages
+                })
 
         return packages