Bump all nix dependencies

This commit bumps all nix dependencies via `nix flake update`. The primary aim
here is to bump our go version to 1.22 in order to support installing
`setup-envtest` and Kubernetes 1.30.

See kubernetes-sigs/controller-runtime@4c2442e

.github/setup-envtest.nix

@@ -0,0 +1,31 @@
+{ buildGoModule
+, fetchFromGitHub
+, lib
+}:
+
+buildGoModule rec {
+  pname = "setup-envtest";
+  version = "0.18.2";
+
+  # Don't run tests.
+  doCheck = false;
+  doInstallCheck = false;
+
+  src = fetchFromGitHub {
+    owner = "kubernetes-sigs";
+    repo = "controller-runtime";
+    rev = "v${version}";
+    hash = "sha256-fQgWwndxzBIi3zsNMYvFDXjetnaQF0NNK+qW8j4Wn/M=";
+  };
+
+  sourceRoot = "source/tools/setup-envtest";
+
+  vendorHash = "sha256-Xr5b/CRz/DMmoc4bvrEyAZcNufLIZOY5OGQ6yw4/W9k=";
+
+  meta = with lib; {
+    description = "A small tool that manages binaries for envtest";
+    homepage = "https://github.com/kubernetes-sigs/controller-runtime/tree/main/tools/setup-envtest";
+    license = licenses.asl20;
+    mainProgram = "setup-envtest";
+  };
+}

charts/connectors/README.md

@@ -10,7 +10,7 @@ This page describes the official Redpanda Connectors Helm Chart. In particular,
 For instructions on how to install and use the chart, including how to override and customize the chart’s values, refer to the [deployment documentation](https://docs.redpanda.com/current/deploy/deployment-option/self-hosted/kubernetes/k-deploy-connectors/).
 
 ----------------------------------------------
-Autogenerated from chart metadata using [helm-docs v1.11.2](https://github.com/norwoodj/helm-docs/releases/v1.11.2)
+Autogenerated from chart metadata using [helm-docs v1.13.1](https://github.com/norwoodj/helm-docs/releases/v1.13.1)
 
 ## Source Code
 

charts/console/README.md

@@ -13,7 +13,7 @@ For instructions on how to install and use the chart, refer to the [deployment d
 For instructions on how to override and customize the chart’s values, see [Configure Redpanda Console](https://docs.redpanda.com/docs/manage/kubernetes/configure-helm-chart/#configure-redpanda-console).
 
 ----------------------------------------------
-Autogenerated from chart metadata using [helm-docs v1.11.2](https://github.com/norwoodj/helm-docs/releases/v1.11.2)
+Autogenerated from chart metadata using [helm-docs v1.13.1](https://github.com/norwoodj/helm-docs/releases/v1.13.1)
 
 ## Source Code
 

charts/kminion/README.md

@@ -11,7 +11,7 @@ description: The most popular Open Source Kafka JMX to Prometheus tool by the cr
 This page describes the official Redpanda KMinion Helm Chart. In particular, this page describes the contents of the chart’s [`values.yaml` file](https://github.com/redpanda-data/helm-charts/blob/main/charts/kminion/values.yaml). Each of the settings is listed and described on this page, along with any default values.
 
 ----------------------------------------------
-Autogenerated from chart metadata using [helm-docs v1.11.2](https://github.com/norwoodj/helm-docs/releases/v1.11.2)
+Autogenerated from chart metadata using [helm-docs v1.13.1](https://github.com/norwoodj/helm-docs/releases/v1.13.1)
 
 ## Source Code
 

charts/operator/README.md

@@ -10,7 +10,7 @@ This page describes the official Redpanda Operator Helm Chart. In particular, th
 For instructions on how to install and use the chart, including how to override and customize the chart’s values, refer to the [deployment documentation](https://docs.redpanda.com/docs/deploy/deployment-option/self-hosted/kubernetes/kubernetes-deploy/).
 
 ----------------------------------------------
-Autogenerated from chart metadata using [helm-docs v1.11.2](https://github.com/norwoodj/helm-docs/releases/v1.11.2)
+Autogenerated from chart metadata using [helm-docs v1.13.1](https://github.com/norwoodj/helm-docs/releases/v1.13.1)
 
 ## Source Code
 

charts/redpanda/README.md

@@ -10,7 +10,7 @@ This page describes the official Redpanda Helm Chart. In particular, this page d
 For instructions on how to install and use the chart, including how to override and customize the chart’s values, refer to the [deployment documentation](https://docs.redpanda.com/docs/deploy/deployment-option/self-hosted/kubernetes/kubernetes-deploy/).
 
 ----------------------------------------------
-Autogenerated from chart metadata using [helm-docs v1.11.2](https://github.com/norwoodj/helm-docs/releases/v1.11.2)
+Autogenerated from chart metadata using [helm-docs v1.13.1](https://github.com/norwoodj/helm-docs/releases/v1.13.1)
 
 ## Source Code