Update URL of "PU2REO_Si5351Lite" in repository list

[per1234]

The repository has been renamed.

[github-actions]

Hi @per1234.
Your pull request has been detected as something other than a Library Manager submission.
A maintainer will need to review it before it can be merged.

If you intended to submit a library, please check the instructions and update your pull request if necessary:
https://github.com/arduino/library-registry/blob/main/README.md#instructions

[github-actions]

❌ ERROR: Arduino Lint found errors with https://github.com/PU2REO/PU2REO_Si5351Lite:

Linting library in PU2REO_Si5351Lite
ERROR: Library name PU2REO_Si5351Lite not found in the Library Manager index. Library names are not allowed to change   
       after being added to the index.                                                                                  
       See: https://github.com/arduino/library-registry/blob/main/FAQ.md#how-can-i-change-a-librarys-name               
       (Rule LP018)                                                                                                     

Linter results for project: 1 ERRORS, 0 WARNINGS

-------------------

Linting sketch in PU2REO_Si5351Lite/examples/si5351_calibration

Linter results for project: no errors or warnings

-------------------

Linting sketch in PU2REO_Si5351Lite/examples/si5351_example

Linter results for project: no errors or warnings

-------------------

Linting sketch in PU2REO_Si5351Lite/examples/si5351_ext_ref

Linter results for project: no errors or warnings

-------------------

Linting sketch in PU2REO_Si5351Lite/examples/si5351_outputs

Linter results for project: no errors or warnings

-------------------

Linting sketch in PU2REO_Si5351Lite/examples/si5351_phase

Linter results for project: no errors or warnings

-------------------

Linting sketch in PU2REO_Si5351Lite/examples/si5351_sweeper

Linter results for project: no errors or warnings

-------------------

Linter results for projects: 1 ERRORS, 0 WARNINGS

[github-actions]

Thanks for your interest in contributing to the Arduino Library Manager index @per1234
Please resolve the error(s) mentioned in the previous comment.

After resolving the issue, trigger this check again by doing one of the following:

• Commit the required change to the branch you submitted this pull request from.
• Comment here, mentioning @ArduinoBot in the comment.

❗ NOTE: It is not necessary to open a new pull request. ❗

More information:
https://github.com/arduino/library-registry/blob/main/README.md#if-the-problem-is-with-the-pull-request