chore(deps): pin dependencies (#101)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Cargo.lock

@@ -25,11 +25,11 @@ anyhow = "1.0.89"
 
 [dev-dependencies]
 # For parameterised testing.
-rstest = "0.24.0"
-rstest_reuse = "0.7.0"
+rstest = "=0.24.0"
+rstest_reuse = "=0.7.0"
 
 # For snapshot testing.
-insta = "1.39.0"
+insta = "=1.39.0"
 
 
 [profile.release]