Update Slack link (#12460)

Author: rohitgr7

.github/BECOMING_A_CORE_CONTRIBUTOR.md

@@ -51,14 +51,14 @@ Lightning should reflect the broader community it serves. As such we should have
 
 ### Community
 
-We have an active [Slack](https://join.slack.com/t/pytorch-lightning/shared_invite/zt-pw5v393p-qRaDgEk24~EjiZNBpSQFgQ) community, where questions are asked daily.
+We have an active [Slack](https://join.slack.com/t/pytorch-lightning/shared_invite/zt-12iz3cds1-uyyyBYJLiaL2bqVmMN7n~A) community, where questions are asked daily.
 This is a great way to show off your Lightning and PyTorch knowledge, and help out others.
 There's also [GitHub discussions](https://github.com/PyTorchLightning/pytorch-lightning/discussions).
 
 ## Applying
 
 There are no precise targets for becoming a core contributor. In the past, community members have become core after fitting the previous expectations consistently.
-We are on the lookout for new people to join, however, if you feel like you meet the expectations already and we haven't reached out to you yet, feel free to ping us privately on [Slack](https://join.slack.com/t/pytorch-lightning/shared_invite/zt-pw5v393p-qRaDgEk24~EjiZNBpSQFgQ)!.
+We are on the lookout for new people to join, however, if you feel like you meet the expectations already and we haven't reached out to you yet, feel free to ping us privately on [Slack](https://join.slack.com/t/pytorch-lightning/shared_invite/zt-12iz3cds1-uyyyBYJLiaL2bqVmMN7n~A)!.
 
 ## Employment
 

.github/CONTRIBUTING.md

@@ -103,7 +103,7 @@ _**Note**, even if you do not find the solution, sending a PR with a test coveri
 
 Want to keep Lightning healthy? Love seeing those green tests? So do we! How to we keep it that way? We write tests! We value tests contribution even more than new features.
 
-Most of the tests in PyTorch Lightning train a random `BoringModel` under various trainer conditions (ddp, ddp2+amp, etc...). Want to add a new test case and not sure how? [Talk to us!](https://join.slack.com/t/pytorch-lightning/shared_invite/zt-pw5v393p-qRaDgEk24~EjiZNBpSQFgQ)
+Most of the tests in PyTorch Lightning train a random `BoringModel` under various trainer conditions (ddp, ddp2+amp, etc...). Want to add a new test case and not sure how? [Talk to us!](https://join.slack.com/t/pytorch-lightning/shared_invite/zt-12iz3cds1-uyyyBYJLiaL2bqVmMN7n~A)
 
 ______________________________________________________________________
 

README.md

@@ -412,7 +412,7 @@ If you have any questions please:
 
 1. [Read the docs](https://pytorch-lightning.rtfd.io/en/latest).
 1. [Search through existing Discussions](https://github.com/PyTorchLightning/pytorch-lightning/discussions), or [add a new question](https://github.com/PyTorchLightning/pytorch-lightning/discussions/new)
-1. [Join our slack](https://join.slack.com/t/pytorch-lightning/shared_invite/zt-pw5v393p-qRaDgEk24~EjiZNBpSQFgQ).
+1. [Join our slack](https://join.slack.com/t/pytorch-lightning/shared_invite/zt-12iz3cds1-uyyyBYJLiaL2bqVmMN7n~A).
 
 ### Funding
 

docs/source/ecosystem/ecosystem-ci.rst

@@ -21,7 +21,7 @@ Follow the instructions below to add a new project to the PyTorch Lightning ecos
    For GPU integrations, you only add the path to the config (OS/Linux and Python version is fixed) to be running with Azure pipelines.
 4. Add a Contact to the ``.github/CODEOWNERS`` list for your organization folder or just a single project.
 5. Create a Draft PR with all mentioned requirements.
-6. Join our `Slack <https://join.slack.com/t/pytorch-lightning/shared_invite/zt-pw5v393p-qRaDgEk24~EjiZNBpSQFgQ>`_ (Optional) channel ``#alerts-ecosystem-ci`` to be notified if your project is breaking.
+6. Join our `Slack <https://join.slack.com/t/pytorch-lightning/shared_invite/zt-12iz3cds1-uyyyBYJLiaL2bqVmMN7n~A>`_ (Optional) channel ``#alerts-ecosystem-ci`` to be notified if your project is breaking.
 
 
 To learn more about Ecosystem CI, please refer to the `Ecosystem CI repo <https://github.com/PyTorchLightning/ecosystem-ci>`_.

docs/source/starter/introduction.rst

@@ -651,7 +651,7 @@ Community
 *********
 
 Our community of core maintainers and thousands of expert researchers is active on our
-`Slack <https://join.slack.com/t/pytorch-lightning/shared_invite/zt-pw5v393p-qRaDgEk24~EjiZNBpSQFgQ>`_
+`Slack <https://join.slack.com/t/pytorch-lightning/shared_invite/zt-12iz3cds1-uyyyBYJLiaL2bqVmMN7n~A>`_
 and `GitHub Discussions <https://github.com/PyTorchLightning/pytorch-lightning/discussions>`_. Drop by
 to hang out, ask Lightning questions or even discuss research!
 

pl_examples/bug_report/bug_report_model.ipynb

@@ -45,7 +45,7 @@
         "# The Boring Model\n",
         "Replicate a bug you experience, using this model.\n",
         "\n",
-        "[Remember! we're always available for support on Slack](https://join.slack.com/t/pytorch-lightning/shared_invite/zt-f6bl2l0l-JYMK3tbAgAmGRrlNr00f1A)"
+        "[Remember! we're always available for support on Slack](https://join.slack.com/t/pytorch-lightning/shared_invite/zt-12iz3cds1-uyyyBYJLiaL2bqVmMN7n~A)"
       ]
     },
     {

tests/README.md

@@ -1,6 +1,6 @@
 # PyTorch-Lightning Tests
 
-Most of the tests in PyTorch Lightning train a [BoringModel](https://github.com/PyTorchLightning/pytorch-lightning/blob/master/tests/helpers/boring_model.py) under various trainer conditions (ddp, ddp2+amp, etc...). Want to add a new test case and not sure how? [Talk to us!](https://join.slack.com/t/pytorch-lightning/shared_invite/zt-pw5v393p-qRaDgEk24~EjiZNBpSQFgQ)
+Most of the tests in PyTorch Lightning train a [BoringModel](https://github.com/PyTorchLightning/pytorch-lightning/blob/master/tests/helpers/boring_model.py) under various trainer conditions (ddp, ddp2+amp, etc...). Want to add a new test case and not sure how? [Talk to us!](https://join.slack.com/t/pytorch-lightning/shared_invite/zt-12iz3cds1-uyyyBYJLiaL2bqVmMN7n~A)
 
 ## Running tests