make conda installs in CI stricter (#106)

Contributes to rapidsai/build-planning#106

Proposes specifying the package version in `conda install` calls that install CI artifacts, to reduce the risk of CI jobs picking up artifacts from other releases.

Authors:
  - James Lamb (https://github.com/jameslamb)
  - Bradley Dice (https://github.com/bdice)

Approvers:
  - Bradley Dice (https://github.com/bdice)

URL: #106

ci/test_conda.sh

@@ -7,6 +7,8 @@ set -euo pipefail
 
 conda config --set channel_priority strict
 
+VERSION="$(head -1 pynvjitlink/VERSION)"
+
 rapids-logger "Install testing dependencies"
 
 ENV_YAML_DIR="$(mktemp -d)"
@@ -31,7 +33,7 @@ rapids-print-env
 
 rapids-mamba-retry install \
   --channel "${PYTHON_CHANNEL}" \
-  pynvjitlink
+  "pynvjitlink=${VERSION}"
 
 rapids-logger "Build Tests"
 pushd test_binary_generation