chore(deps): update nixpkgs to latest nixpkgs-unstable

This allows building TemplateHaskell with GHC 9.6+ via iserv-proxy.

nix/tools/devTools.nix

@@ -172,7 +172,7 @@ let
           # The following unsets all GIT_ variables.
           unset "''${!GIT_@}"
 
-          # shellcheck disable=SC2317
+          # shellcheck disable=SC2329
           function restore () {
             ref="$(git stash list --format=format:%gD --grep "$1" -n1)"
             # this will avoid merge conflicts when applying the stash

nix/tools/style.nix

@@ -83,7 +83,7 @@ let
         # ruff has gaps in scanning for unused code, so we use vulture
         echo "Scanning python files for unused code..."
         ${silver-searcher}/bin/ag -l --vimgrep -g '\.l?py$' . \
-          | xargs ${python3Packages.vulture}/bin/vulture --exclude docs/conf.py
+          | xargs ${python3Packages.vulture}/bin/vulture --exclude docs/conf.py --min-confidence 80
 
         echo "Linting python files..."
         ${ruff}/bin/ruff check .

nix/tools/tests.nix

@@ -7,7 +7,6 @@
 , glibcLocales ? null
 , gnugrep
 , hpc-codecov
-, hostPlatform
 , jq
 , lib
 , postgrest
@@ -159,7 +158,7 @@ let
       }
       (
         # required for `hpc markup` in CI; glibcLocales is not available e.g. on Darwin
-        lib.optionalString (stdenv.isLinux && hostPlatform.libc == "glibc") ''
+        lib.optionalString (stdenv.isLinux && stdenv.hostPlatform.libc == "glibc") ''
           export LOCALE_ARCHIVE="${glibcLocales}/lib/locale/locale-archive"
         '' +
 

nix/tools/withTools.nix

@@ -116,7 +116,7 @@ let
             export PGRST_DB_URI="postgres:///$PGDATABASE?host=$PGREPLICAHOST,$PGHOST"
           fi
 
-          # shellcheck disable=SC2317
+          # shellcheck disable=SC2329
           stop () {
             log "Stopping the database cluster..."
             pg_ctl stop --mode=immediate >> "$setuplog"
@@ -329,7 +329,7 @@ let
 
         $PGRST_CMD ${legacyConfig} > "$tmpdir"/run.log 2>&1 &
         pid=$!
-        # shellcheck disable=SC2317
+        # shellcheck disable=SC2329
         cleanup() {
           # Send INT to all postgrest processes.
           # Workaround to trigger dumping postgrest.prof for postgrest-profiled-run