fix: pin Helm to <=3.17.0 (#7523)

* fix: pin helm

* Revert "wip: temporary fix for node purpose (#7516)"

This reverts commit 3459cfc.

Author: agoose77

config/clusters/projectpythia-binder/binderhub.values.yaml

@@ -120,14 +120,11 @@ binderhub-service:
       - binder.projectpythia.org
   dockerApi:
     nodeSelector:
+      hub.jupyter.org/node-purpose:
       capi.stackhpc.com/node-group: user-m3-large
     storage:
       emptyDir:
         sizeLimit: 15Gi
-  extraConfig:
-    00-temp-fix-selector.py: |
-      if isinstance(c.KubernetesBuildExecutor.node_selector, dict):
-        c.KubernetesBuildExecutor.node_selector.pop("hub.jupyter.org/node-purpose", None)
   config:
     GitHubRepoProvider:
       allowed_specs:

flake.lock

@@ -7,17 +7,22 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     flake-utils.url = "github:numtide/flake-utils";
+    nixpkgs-helm.url = "github:NixOS/nixpkgs/9b100cfb67ccb2ff6e723b78d4ae2f9c88654a1c";
   };
   outputs = {
     self,
     nixpkgs,
+    nixpkgs-helm,
     flake-utils,
   }:
     flake-utils.lib.eachDefaultSystem (system: let
       pkgs = import nixpkgs {
         inherit system;
         config.allowUnfree = true;
       };
+      pkgs-helm = import nixpkgs-helm {
+        inherit system;
+      };
       inherit (pkgs) lib;
 
       gdk = pkgs.google-cloud-sdk.withExtraComponents (with pkgs.google-cloud-sdk.components; [
@@ -44,7 +49,7 @@
           # Infra packages
           age
           go-jsonnet
-          kubernetes-helm
+          pkgs-helm.kubernetes-helm
           kubectl
           sops
           gdk