Update references to nixos/infra and nixos-search flake inputs

cc NixOS/infra#359

src/Branch-Off.md

@@ -149,10 +149,10 @@ Now we prepare the master branch for the next release after this one.
 Now that everything on git is done, we are still missing the channels.
 
 1. Create the necessary channels for `https://channels.nixos.org` in beta status, by updating
-   [`channels.nix`](https://github.com/NixOS/nixos-org-configurations/blob/master/channels.nix) in `nixos-org-configurations`
+   [`channels.nix`](https://github.com/NixOS/infra/blob/master/channels.nix) in `infra`
    and nag the infrastructure team to get these changes deployed.
 
-   Example: [22.11](https://github.com/NixOS/nixos-org-configurations/commit/9a0b3674a11b445c973334c78e8ca0eda36775e4)
+   Example: [22.11](https://github.com/NixOS/infra/commit/9a0b3674a11b445c973334c78e8ca0eda36775e4)
 
 1. Create the backport [labels](https://github.com/NixOS/nixpkgs/labels) for all new branches:
    - `backport staging-21.05`
@@ -171,7 +171,7 @@ The following steps should be done after the channels have become available on [
 
    ```bash
    git clone [email protected]:nixos/nixos-search
-   nix --extra-experimental-features "nix-command flakes" flake lock --update-input nixos-org-configurations
+   nix --extra-experimental-features "nix-command flakes" flake lock --update-input nixos-infra
    ```
 
 1. Give the [Marketing team](https://matrix.to/#/#marketing:nixos.org) a heads-up about the upcoming release

src/EOL-Cleanup.md

@@ -3,10 +3,10 @@
 The old release reaches its end of life one month after the new release
 gets released. At that point a few cleanup tasks need to be done.
 
-1. Set the EOL channel status from `deprecated` to `unmaintained` in `nixos-org-configurations`. Examples:
-    - [channels: Deprecate NixOS 22.05](https://github.com/NixOS/nixos-org-configurations/pull/229)
-    - [channels: Mark 21.11 as unmaintained](https://github.com/NixOS/nixos-org-configurations/pull/211)
-    - [channels:21.05 is unmaintained](https://github.com/NixOS/nixos-org-configurations/pull/201)
+1. Set the EOL channel status from `deprecated` to `unmaintained` in `infra`. Examples:
+    - [channels: Deprecate NixOS 22.05](https://github.com/NixOS/infra/pull/229)
+    - [channels: Mark 21.11 as unmaintained](https://github.com/NixOS/infra/pull/211)
+    - [channels:21.05 is unmaintained](https://github.com/NixOS/infra/pull/201)
 
 1. Once this is merged, update the [`nixos-search`](https://github.com/NixOS/nixos-search)
    repository to reflect that status on [search.nixos.org](https://search.nixos.org).

src/Final-Release.md

@@ -166,16 +166,16 @@ export NEWVER=23.05
 
    The website is hosted by a CDN so you may occasionally see the old site for a couple of minutes/hours (?) after your changes
 
-1. Update [nixos-org-configurations](https://github.com/NixOS/nixos-org-configurations) to reflect the `stable` channel
+1. Update [infra](https://github.com/NixOS/infra) to reflect the `stable` channel
    status for $NEWVER and the `deprecated` status for $OLDVER.
    
-   Examples: [22.11](https://github.com/NixOS/nixos-org-configurations/pull/228), [22.05](https://github.com/NixOS/nixos-org-configurations/pull/210), [21.11](https://github.com/NixOS/nixos-org-configurations/pull/192)
+   Examples: [22.11](https://github.com/NixOS/infra/pull/228), [22.05](https://github.com/NixOS/infra/pull/210), [21.11](https://github.com/NixOS/infra/pull/192)
 
 1. Create a new topic on [Discourse](https://discourse.nixos.org/) to announce the release.
 
    Examples: [22.11](https://discourse.nixos.org/t/nixos-22-11-released/23637), [22.05](https://discourse.nixos.org/t/nixos-22-05-released/19404)
 
-1. Once the Pull Request in `nixos-org-configurations` is merged, update [nixos-search](https://github.com/NixOS/nixos-search/) to mark the channel as released.
+1. Once the Pull Request in `infra` is merged, update [nixos-search](https://github.com/NixOS/nixos-search/) to mark the channel as released.
    This is the same process as for the creation of the beta channel in the project.
 
 ## After Release

src/Zero-Hydra-Failures.md

@@ -9,7 +9,7 @@ There is an autoscaler in place for aarch64-linux and x86_64-linux while the
 darwin allocations are pretty much static.
 
 If capacity issues are apparent, contact the infrastructure team on the
-`nixos-org-configurations` repository (example: [21.11 example](https://github.com/NixOS/nixos-org-configurations/issues/186)),
+`infra` repository (example: [21.11 example](https://github.com/NixOS/infra/issues/186)),
 and start a discussion in [#infra:nixos.org](https://matrix.to/#/#infra:nixos.org).
 
 ## ZHF issue