fix dead URLs (#693)

Author: stebo85

.gitignore

@@ -119,6 +119,7 @@ venv/
 ENV/
 env.bak/
 venv.bak/
+.venv39
 
 # Spyder project settings
 .spyderproject

neurodocker/reproenv/schemas/template.json

@@ -152,7 +152,7 @@
             "python3-dev"
           ],
           "debs": [
-            "http://ftp.us.debian.org/debian/pool/main/r/rust-fd-find/fd-find_7.2.0-2_amd64.deb"
+            "https://snapshot.debian.org/archive/debian-archive/20240331T102506Z/debian/pool/main/r/rust-fd-find/fd-find_7.2.0-2_amd64.deb"
           ],
           "yum": [
             "curl",

neurodocker/reproenv/tests/sample-template-jq.yaml

@@ -13,7 +13,8 @@ binaries:
         -   curl
         debs:
     # Not required for jq -- used to test if packages are installed properly with dpkg.
-        -   http://ftp.us.debian.org/debian/pool/main/r/rust-fd-find/fd-find_7.2.0-2_amd64.deb
+    # Use an immutable snapshot URL to avoid 404s from mirror pruning.
+        -   https://snapshot.debian.org/archive/debian-archive/20240331T102506Z/debian/pool/main/r/rust-fd-find/fd-find_7.2.0-2_amd64.deb
         yum:
         -   curl
         -   fd-find