GH-44415: [Release][Ruby] Remove pins from glib section of release ve…

…rification script (#44407)

### Rationale for this change

We can remove these pins now that conda-forge/glib-feedstock#191 has been closed. I've tested on my own crossbow and will test here momentarily. This effectively reverts #44270 and #44268.

### What changes are included in this PR?

Tweaks to release release verification script, specifically removing recently-added pins.

### Are these changes tested?

Yes: https://github.com/amoeba/crossbow/actions/runs/11335070956/job/31522511285.

### Are there any user-facing changes?

No.

Closes #44415.
* GitHub Issue: #44415

Authored-by: Bryce Mecum <petridish@gmail.com>
Signed-off-by: Bryce Mecum <petridish@gmail.com>

dev/release/verify-release-candidate.sh

@@ -775,9 +775,7 @@ test_glib() {
  show_header "Build and test C GLib libraries"
 
  # Build and test C GLib
- # We can remove '==2.80.5' and 'python<3.13' once
- # https://github.com/conda-forge/glib-feedstock/issues/191 is fixed.
- maybe_setup_conda glib==2.80.5 gobject-introspection meson ninja 'python<3.13' ruby
+ maybe_setup_conda glib gobject-introspection meson ninja ruby
  maybe_setup_virtualenv meson
 
  # Install bundler if doesn't exist