Revert "Add version pin information to dependabot configuration"

This reverts commit 3c314fa.

Changing the configuration file goes too far, as we don't want
dependabot to give up entirely.  We do want the breadcrumbs
for human maintainers.

Author: gitosaurus

.github/dependabot.yml

@@ -8,17 +8,3 @@ updates:
     directory: "/"
     schedule:
       interval: "monthly"
-    allow:
-      # NOTE: package PINNED at <21.0.0, see https://github.com/astronomy-commons/lsdb/issues/974
-      - dependency-name: "pyarrow"
-        versions: "<21.0.0"
-      # NOTE: package PINNED at <0.3.0, see https://github.com/astronomy-commons/lsdb/issues/1047
-      - dependency-name: "universal-pathlib"
-        versions: "<0.3.0"
-    ignore:
-      # Ignore major updates for pyarrow, see https://github.com/astronomy-commons/lsdb/issues/974
-      - dependency-name: "pyarrow"
-        update-types: ["version-update:semver-major"]
-      # Ignore major updates for universal-pathlib, see https://github.com/astronomy-commons/lsdb/issues/1047
-      - dependency-name: "universal-pathlib"
-        update-types: ["version-update:semver-major"]