Fix invalid links in v3.11.0 blog post

[rm3l]

What type of PR is this:
/area documentation

What does this PR do / why we need it:

Which issue(s) this PR fixes:
Fixes #6975.
Ideally, we should test that all links in our docs are valid, but this is the scope of #6617.

PR acceptance criteria:

• Unit test

• Integration test

• Documentation

How to test changes / Special notes to the reviewer:

https://deploy-preview-6980--odo-docusaurus-preview.netlify.app/blog/odo-v3.11.0/

[netlify]

🔨 Deploy Preview deleted from internal cluster!

Name	Link
🔨 Latest commit	7375d1c
😎 Deploy Preview	https://odo-dev-pr-6980.odo-test-kubernete-449701-49529fc6e6a4a9fe7ebba9a3db5b55c4-0000.eu-de.containers.appdomain.cloud/

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[odo-robot]

Kubernetes Docs Tests on commit 8c9bcde finished successfully.
View logs: TXT HTML

[rm3l]

First deploy failed due to an internal error in Netlify:

Logs

5:30:41 PM: Failed during stage 'preparing repo': error checking for ref: pull/6980/head: : exit status 2
5:30:23 PM: build-image version: beb3f7b3d6069b85aae18cfa809c6c904c169629 (focal)
5:30:23 PM: buildbot version: 5124aec39b984d7b3af5d8cccde5d999304bb56e
5:30:23 PM: Fetching cached dependencies
5:30:23 PM: Starting to download cache of 912.1MB
5:30:32 PM: Finished downloading cache in 8.563s
5:30:32 PM: Starting to extract cache
5:30:40 PM: Finished extracting cache in 8.718s
5:30:40 PM: Finished fetching cache in 17.407s
5:30:40 PM: Starting to prepare the repo for build
5:30:41 PM: Failing build: Failed to prepare repo

But running it manually succeeded right after: https://app.netlify.com/sites/odo-docusaurus-preview/deploys/64b6b0660d9b2c00c1bcbf24
The check status was however not reflected on the PR..

The PR Preview GitHub Workflow also passed successfully: https://github.com/redhat-developer/odo/actions/runs/5589535058/jobs/10218031616?pr=6980

/override netlify/odo-docusaurus-preview/deploy-preview

[openshift-ci]

@rm3l: Overrode contexts on behalf of rm3l: netlify/odo-docusaurus-preview/deploy-preview

In response to this:

First deploy failed due to an internal error in Netlify:

Logs

5:30:41 PM: Failed during stage 'preparing repo': error checking for ref: pull/6980/head: : exit status 2
5:30:23 PM: build-image version: beb3f7b3d6069b85aae18cfa809c6c904c169629 (focal)
5:30:23 PM: buildbot version: 5124aec39b984d7b3af5d8cccde5d999304bb56e
5:30:23 PM: Fetching cached dependencies
5:30:23 PM: Starting to download cache of 912.1MB
5:30:32 PM: Finished downloading cache in 8.563s
5:30:32 PM: Starting to extract cache
5:30:40 PM: Finished extracting cache in 8.718s
5:30:40 PM: Finished fetching cache in 17.407s
5:30:40 PM: Starting to prepare the repo for build
5:30:41 PM: Failing build: Failed to prepare repo

But running it manually succeeded right after: https://app.netlify.com/sites/odo-docusaurus-preview/deploys/64b6b0660d9b2c00c1bcbf24
The check status was however not reflected on the PR..

The PR Preview GitHub Workflow also passed successfully: https://github.com/redhat-developer/odo/actions/runs/5589535058/jobs/10218031616?pr=6980

/override netlify/odo-docusaurus-preview/deploy-preview

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