Fix OWL downloads for FIX and REX (#1867)

This PR adds download links to the latest working snapshots of REX and
FIX in the web.archive, because the OBO PURLs do not resolve anymore,
due to the Berkley serves that hosted them having been shut down (see
also:
EBISPOT/ols4#1102 (comment)).

---------

Co-authored-by: Charles Tapley Hoyt <cthoyt@gmail.com>

Author: StroemPhi

src/bioregistry/data/bioregistry.json

@@ -51928,6 +51928,15 @@
       "orcid": "0000-0001-8123-5351"
     },
     "contact_group_email": "chebi-help@ebi.ac.uk",
+    "contributor_extras": [
+      {
+        "email": "philip.stroemert@tib.eu",
+        "github": "StroemPhi",
+        "name": "Philip Strömert",
+        "orcid": "0000-0002-1595-3213"
+      }
+    ],
+    "download_owl": "https://web.archive.org/web/20251107150330/http://ontologies.berkeleybop.org/fix.owl",
     "example": "0000390",
     "fairsharing": {
       "description": "FIX consists of two ontologies: methods and properties (but not objects, which are subject of the chemical ontology). The methods are applied to study the properties. While this ontology is available via BioPortal and the OBO Foundry, we cannot find a home page or a publication for the resource, and the resource itself is no longer maintained.",
@@ -127840,7 +127849,15 @@
       "orcid": "0000-0001-8123-5351"
     },
     "contact_group_email": "chebi-help@ebi.ac.uk",
-    "download_owl": "http://purl.obolibrary.org/obo/rex.owl",
+    "contributor_extras": [
+      {
+        "email": "philip.stroemert@tib.eu",
+        "github": "StroemPhi",
+        "name": "Philip Strömert",
+        "orcid": "0000-0002-1595-3213"
+      }
+    ],
+    "download_owl": "https://web.archive.org/web/20250616081915/http://ontologies.berkeleybop.org/rex.owl",
     "example": "0000512",
     "fairsharing": {
       "description": "REX is an ontology of physico-chemical processes, i.e. physico-chemical changes occurring in course of time. REX includes both microscopic processes (involving molecular entities or subatomic particles) and macroscopic processes. Some biochemical processes from Gene Ontology (GO Biological process) can be described as instances of REX.",

src/bioregistry/data/curated_papers.tsv

@@ -366,4 +366,4 @@ pubmed	relevant	orcid	date_curated	relevancy_type	pr_added	notes
 41087926	1	0009-0009-3402-8013	2025-12-21	new_prefix	1796	Publication for pahg
 41099621	1	0009-0009-3402-8013	2025-12-26	new_prefix	1799	Publication for pmads
 41118507	1	0009-0009-3402-8013	2025-12-24	new_prefix	1798	Publication for ribocirc v2.0
-41525503	1	0009-0004-3248-9223	2026-03-18	new_prefix	1858	Publication for hemolytik
+41525503	1	0009-0004-3248-9223	2026-03-18	new_prefix	1858	Publication for hemolytik